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DESCRIPTION:
PT61 float and thermostatic (integral air vent) steam traps are designed for draining condensate from all types of low and medium pressure steam heating and
process equipment.
Typical applications include unit heaters, heat exchangers, driers and jacketed vessels.
AVAILABLE TYPES:
PT61 - with Thermostatic Air Vent
PT61S - with Steam Lock Release (SLR)
FEATURES:
Modulating discharge.
Discharges condensate at steam temperature.
Excellent air venting (by thermostatic air vent).
USE: Saturated and superheated steam
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Cover Assemblies for Spirax Sarco Float & Thermostatic Steam Traps
Different features available
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Float Traps
Due to the fact they have continuous discharge, they are the best choice to remove condensate from equipment which use steam, such as tanks, coils, heat exchangers, digesters, dryers, cylinders and other.
They are also an excellent choice to drain humidity from compressed air lines in which there is no oil excess.
Manufactured with bodies and cover in nodular iron and cast steel with stainless steel internals.
They respond to pressures of up to 17.6 kgf/cm2 and temperatures of 300oC (nodular iron) and pressures up to 32 kgf/cm2 and temperatures up to 400oC (cast steel).
They are manufactured in sizes from 1/2" up to 6" with screwed connections BSP or NPT and flanged connections #125, #250, #150 and #300.
All models are supplied with a thermostatic air eliminator (EAR), which may be replaced or accompanied of steam lock releaser (EVP) required when used in drying cylinder, digester axis and other equipment.
Options include high-capacity steam traps, which are widely used in sugar mills.
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The M system has been conveiced for installations susceptible to severe water hammering. It is very reliable and particularly quiet (no moving mechanical part, anti-incrustation closing system).
Perfectly suited for pressure pumps, fire hydrants, engine-driven pump units or electro-pump units and compressed air circuits.
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Graphite discs are very resistant to aggressive fluids, even at high temperature.
Bursting pressure has low sensitivity to temperature variations.
Graphite discs are made of high purity graphite impregnated with phenolic resins in order to make the product non porous
Opening is total but with fragmentation.
Donadon SDD supply three graphite disc models:
GA type, a graphite rupture disc mounted on a Stainless steel (or other metal) ring that may be directly inserted between flanges. This disc is very versatile because has both the robustness of a metal holder and the performance of a graphite disc.
GR type, a graphite rupture disc mounted on a graphite or metal holder. This disc is economic and versatile.
GM type, a monoblock graphite rupture disc that may be directly inserted between flanges.
Vacuum support is required for rupture pressures below 1.7 barg. At higher calibrations the disc is self-supporting.
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High Pressure. These units are normally used at the outlet of an HII Gas Booster or system to store a volume of gas for smooth, intermittent release through a pressure reducing valve.
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High Pressure, Low Flow
These valves are direct operated, differential poppet, dry spring chamber design. All ports can
accept full working pressure permitting their use also as a sequence valve or back pressure
controller regulator (BPR). Wetted alloys are stainless steel. Dynamic seals are UHMWPE. Static
seals are Buna. Optional: Viton add-V. EPR add-E. Wrench flats are standard on adjusting screws.*
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The PLC series auxiliary valves are direct-acting, factory-set pressure relief valves of the cartridge type that can be supplied with or without a threaded plug. They can also be supplied with housings to facilitate in-line installation. PLC valves are intended primarily to act as combined pressure-relief and anti-cavitation valves - otherwise known as port relief valves - in the service ports of our directional valves. However, they can also be used to advantage in other situations where pressure relief valves in this size range are required. Indeed, PLC cartridge valves are purchased in great quantities by several of the world%u2019s leading pump and transmission manufacturers.
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Series 6400/6600
ASME NB Certifi ed: Steam & Air
Sizes 1 X 2 to 4 X 6. Actual orifi ce areas from 0.150 to 7.087 square
inches. Pressures from 15 to 1500 psig. Temperature range from -20 F
to +1000 F. Steel body and bonnet with stainless steel trim.
Double blow down ring design meets the requirements of Section I of
ASME Code. Temperature equalizing disc for maximum seat tightness. Available
with exposed spring (6400) or closed bonnet (6600). Full nozzle design
for ease of maintenance.
Applications: steam boilers (6400) and organic fl uid vaporizers or hot water
boilers (6600).
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Pressure Relief Valves
* Fine pressure adjustment
* CNC precision machined parts
* Cost effective and reliable
* Variety of materials available
* Right-angle, 3-port design
Sigmamotor pressure relief valves operate when the system pressure raises above the set pressure of the valve to protect systems from damage due to blockages or excessive pressure situations.
Inside the valve a spring holds a diaphragm against the valve seat until preset pressure is exceeded, then the diaphragm is forced up and the material in the system is forced out of the relief port. The valve is set at 65psi at the factory but is easily field adjustable.
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Presenting pressure reducing valves for steam and air. A wide assortment of models is available, including pilot operated models, direct-acting models and models with integral separators and steam traps.
Operating Pressure Range: -12 - 300 psig
Operating Temperature Range: 32 - 428 F
Valves for controlling steam or air pressure. They provide the prescribed pressure even when flow rates fluctuate.
Selection can be made from among a wide assortment of models - including pilot operated and direct-acting models and models with integral separators and steam traps - to suit the objective or application.
The high precision pressure reducing valves for process applications employ a separator with steam trap and shock-absorbing spherical piston to yield a superior flow rate characteristic.
The basic configuration of the reducing valves for air is identical to that of those for steam, and therefore also yields a superior flow rate characteristic.
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Managers of vehicle service centers can now turn to our new thermal pressure relief device to protect against possible damage to their closed pipe systems caused by thermal expansion. For example, as oil warms, it expands and causes pressuresometimes oil that was 300 psi becomes 2,000 to 3,000 psi. Such pressure spikes can cause costly damage if they exceed the design capacity of pipes and system components. Our pressure relief valve returns fluid/material back to the tank, limiting the pressure to protect the system.
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Pilot-operated check valves of the series CP allow free flow in one direction.
The counter-flow direction is blocked. By applying the pilot pressure, the poppet can be lifted from its seat against the pressure. Thus flow in the counter-direction is also possible. There are 1 and 2 stage poppets available with pilot ratios of 1 : 5 and 1 : 40, to suit different operating conditions.
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INTRODUCTION
One-way valve for in-line use.
Suitable for any type of hydraulic system using
liquids that are not highly viscous. The standard
types are in zinc plated carbon steel and are
therefore especially suitable for non-corrosive mineral
based oils and liquids.
FEATURES
Standard types: Good pressure / flow characteristics, see graphs. Valve body in zinc plated carbon steel. Piston in carbon steel. Internal spring in silicon steel - stabilized. Cracking points 5 psi and 65 psi are standard,
other values on request.
ALTERNATIVE USES
As a pressure sequence valve by changing the
internal spring to an appropriate 'cracking point' value.
For flow restrictor check valves a central bleed hole
can be provided, sized to customer requirements.
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APPLICATION
Manually operated check with flow limiting
Non return valves or bypass low pressure reliefs
L/min
(US GPM) bar (PSI) PRODUCTS
12
(3) 350
(5075) FPR1/4
30
(8) 350
(5075) FPR3/8
45
(12) 350
(5075) FPR1/2
85
(22) 300
(4350) FPR3/4
140
(37) 250
(3625) FPR1
220
(58) 250
(3625) FPR11/4
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Equipped with drop weight and hydraulic damper it achieves best function properties. Even the combination of rotary process and check valves belong to the recent delivery program.
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The STAUFF hydraulic accessories programme has
been carefully designed to offer a range of components
suited to the demands of building hydraulic
systems in most industrial and mobile applications.
Whether you require simple filler breathers or precise
electrical level switches, flow control valves or
complete filter units; the STAUFF accessories range
should provide you with the choice you need.
At STAUFF we are aware of the ongoing development
and innovation within the hydraulic industry.
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Non-return valves and pilot operated non-return valves
Sandwich- and screw-in cartridge construction
Nominal sizes NG3-Mini, NG4-Mini, NG6 and NG10
Screw-in cartridges (only pilot operated non-return valves) in accordance with ISO 7789,
nominal sizes M18x1,5, M22x1,5 and M33x2
Maximum pressures up to 350 bar
Volume flows up to 100 l/min
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Series AK/AKH/AKB check valves offer various configurations to provide design solutions based on operating conditions. The series is compact and lightweight with low cracking pressure. The AKH with one-touch fitting, straight type, is easily installed in pipelines, while the male connector type can be mounted directly onto equipment. The bushing type AKB can be used in applications with splashing coolant and spatter, etc.
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The check and pre-fill valves type F utilize a spring pre-loaded valve head.
The check valves type F enable free flow in one direction and block the flow in the opposite direction.
This valve is used as a high flow valve (check valve with hydraulic release) in top ram presses for quickly draining and replenishing press cylinders during opening and closing in rapid traverse mode. The smaller sizes may be equipped with a pre-reliefe device as an option to prevent pressure surges during decompression (high volume and high pressure surge).
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Description:
The Becker Pressure Relief Valve is designed to be used with regulated natural gas supply systems that provide power to pneumatic valve actuators and instrumentation. In the event of supply gas regulator failure, the Pressure Relief Valve protects pneumatic components from overpressure. The Pressure Relief Valve is an inexpensive, compact, maintenance free safety mechanism which will ensure protection of your pneumatic actuators and instrumentation.
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The Internal Tank Valve is a fail safe isolation valve for bottom and side withdrawal tanks. It is sometimes refered to as an emergency tank shut off valve.
They are commonly installed in storage tanks that contain dangerous or flammable liquids or gases such as LNG, Chlorine, Propane, Propylene or Ammonia etc. In the event of an emergency the air supply provided by air actuators placed on the tank is interupted. A weight or a spring slams the inlying valve shut, securing the tank and it's contents.
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High Pressure. These valves are 316 S.S. ball type and soft seat (PTFE ring) in the 1/4 NPT, 1/2 NPT, 3/4 NPT, and 1 NPT sizes; Brass poppet on S.S. seat in the 2 NPT size. Control springs hold approximately 3 PSI. Optional higher pressure springs are available in the 2" NPT unit only.
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LMI's diaphragm back pressure/anti-syphon valves apply positive discharge pressure to a metering pump system and act to stabilize the output of higher output LMI Metering Pumps when pumping into low or no-pressure systems. Pressure relief valves are designed to protect chemical feed systems from overpressure damage caused by defective equipment or deadheading. Valves are available in 1/4", 1/2", and 1" sizes in PP, PVC, PVDF, and 316SS.
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Donadon LPD rupture disc is a composite conventional disc formed by four parts:
A slotted, perforated metal part
A seal membrane (usually in PTFE)
A protection section
A calibration ring with blades to improve membrane opening
Designed to protect processing and storage tanks, atmospheric vessels and silos against implosion or overpressure conditions.
It reacts to over-pressure in a few thousands of a second with total opening and without fragmentation.
LPD discs are a simple, reliable, accurate and economical solution for applications requiring extremely low positive and/or negative pressure protection.
Their primary use is in storage tanks with low design pressures in applications where contamination is unacceptable.
Donadon SDD model LPD discs offer non-fragmenting opening and avoid product contamination.
LPD discs may be installed directly between flanges avoiding the requirement for holders with blades and can be offered to meet a broad range of non standard specifications and applications.
LPD discs can be provided with:
Dual protection (vacuum / pressure)
Vacuum / counterpressure support
Burst detector, ATEX approved, giving immediate indication of burst occurrence
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The Classic Lee Chek is offered in three basic configurations:
o 0.187 and a 0.250 inch diameter axial flow ball-type designed for 3,000 psi systems and available screened and unscreened, forward and reverse flowing.
o 0.187 and a 0.343 inch diameter with convenient side exit porting and enhanced silt resistance. The 0.187 inch diameter is available screened and unscreened, with forward flow only for 4,000 psi systems. The 0.343 inch diameter is available unscreened, with reverse flow only for 5000 psi systems.
o And 0.187 inch diameter Zero Leak, poppet-style, axial flow design with a choice of three different elastomers. Available screened and unscreened, forward and reverse flowing for 3000 psi systems.
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The Advantages at a Glance
Customer-specific design
Compact design and smaller envelope dimension is achievable with the Steripur Series actuators
Combination of many different nominal diameters
Optimized drainability
Minimized dead leg
Reduces surface contact, hold up volume and cross contamination of the product
Reduction of fittings, tubing and field welds in the system
Reduces qualification and validation documentation requirements
All end connections and materials are
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Multiport gauge valves facilitates different positioning of the pressure gauge or pressure switch without disturbing the main line. One 1/2" male or female inlet & three 1/2" NPTF outlets ports is the standard configuration of any multiport guage valve
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The Solution For High Flow& High Pressure Requirements
- Flows up to 240 gpm
- 5000 psi (6000 psi intermittent)
- Pneumatic, hydraulic or solenoid operated
- Full Cartridge Style Valving
- Low Leakage
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CHECK VALVES are often used as safety device within hydraulic circuits.
Purposely designed to be used when it is necessary the opening of the valve at a specific pressure level, check valves are characterized by elastomeric sealing valve or metal to metal sealing and by a wide range of opening pressures.
Applications
Hydraulic systems on:
agriculture machines
on forestry machines
earth moving machines
road machines
machines tools
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Valves, Clappers, Bursting discs
