quick coupling / straight / hydraulic / pneumatic
STPM Pneuflex Pneumatic Co., Ltd



  • Attachment:


  • Configuration:


  • Applications:

    hydraulic, pneumatic

  • Material:

    stainless steel

  • Other characteristics:

    union, high-pressure, chemical-resistant, bulkhead, high-flow, with back nut, low-temperature, transition, for the food industry, quick-disconnect, for the pharmaceutical industry, wide temperature range, for harsh environments, for gas, corrosion-proof, wall-mounted, vacuum, high-temperature

  • Diameter:

    Min.: 4 mm

    Max.: 12 mm

  • Operating pressure:

    Min.: 0 bar (0 psi)

    Max.: 20 bar (290.08 psi)


Stainless steel transition fitting bulkhead union are designed to connect soft tube on one end and metal tube on other end through a panel or other barrier; one side is stainless steel push in fitting configuration, another side is stainless steel compression tube fitting configuration. The lock nut holds the fitting securely to the bulkhead. Stainless steel transition fittings are used for air, pneumatic, food & beverage, chemical, medical & pharmaceutical systems. They have an 316 stainless steel body, 316 stainless steel collet and FKM (Viton) seal one the push in fitting end, and 316 stainless steel nut, back ferrule, front ferrule on other end. Designed for use with soft tubing, include polyurethane, polyethylene, nylon, Teflon tubing and hard pipe include stainless steel, carbon steel, copper, titanium, aluminum pipe. Accommodate metric tubing O.D ranging from 4 mm to 12 mm and inch (imperial) tubing O.D from 1/8" to 1/2".

Advantages of Pneuflex's Stainless Steel Transition Fittings:
1. 316 stainless steel for higher strength and greater corrosion resistance than 304 stainless steel
2. One end is push in fitting configuration, the other end is compression tube fitting configuration
3. Suitable for food and beverage process, paper, petrochemical, pharmaceutical, chemical, medical
4. FKM (Viton) Sealing inside
5. Handle pressures up to 435 psi (30 bar) and an operating temperature range of -20 to +150°C (-4 to +302°F)

Other Pneuflex Pneumatic Co. products

Stainless Steel Push to Connect Fittings