Internal Chemical Hydraulic Valve

This internal chemical hydraulic valve is an internal self-closing stop valve designed for use on DOT 407 and DOT 412 cargo tanks. Its internal design helps protect the spring, valve seat, and hydraulic actuator within the cargo tank for dependable chemical transport service.

• Valve type: Internal self-closing stop valve
• Body material: 316 stainless steel
• Seal: Replaceable Teflon seal
• Hydraulics: 1/88 NPT inlet port; minimum hydraulic line pressure 1,500 psi [103 bar], maximum 3,500 psi [241 bar]
• MAWP: 50 psi [3.4 bar]; minimum bursting pressure: 200 psi [13.8 bar]
• Temperature range: -40F to 400F [-40C to 204C]
• Hydraulic volume to fully open: 1.05 in [17.2 ml]

Mounting flange (4 sump): B.C. 7.25 dia. [184 mm]; 8 holes .563 dia. [14.3 mm]; O.D. 8.19 dia. [208 mm]. Weight: 31 lb [14 kg]. Flange faces feature a phonographic finish to support proper gasket sealing.

When properly mounted and used with a certified 4×3 shear elbow or 4×3 / 4×4 shear elbow, this valve meets the requirements of 49 CFR 78.345-8 as tested and verified per TTMA RP84.