Pressure Balanced Non-Slam Piston Check Valves are designed for liquid or gas applications and to prevent back flow for pulsating flow applications. They have a unique pressure balanced internal piston and are full body configuration.
Basic Design: BS1868, ASME B16.34, API 6D
Sizes: 2″- 16″
Pressures: ANSI 150lb-2500lb
Materials: Cast Carbon / Alloy Steel
Ends: RF, RTJ, BW
Liquid or Gas Application (setup for gas)
Non-Slam Pressure Balanced Internal Piston
Sizing Required (available via Altek Supply)
Available in Carbon Steel & Alloy Materials
Internal Piston Liner
Globe Shaped Piston Plug
Tested to API 6D
NACE MRO 175
What sizes and ANSI Classes are available?
Sizes come in 2"-16". Available in pressure classes ANSI 150lb to 2500lb
What are the in-stock API trims available?
Please call for current availability. TR5, 12, Soft Std for API 6D standard stock.
Is DHV on the AML?
Please send us a request to check AML Approval.
Do you offer RP-metal seated and FP-API 6D?
Do you offer piston check valves for pulsating service?
Yes, for liquid and gas service. Process data required for sizing.