The Stainless Steel 2-Piece BSP Spring-Loaded Check Valve is a compact, high-strength non-return valve. Its 2-piece threaded body offers a more streamlined profile than 3-piece models while maintaining heavy-duty performance. The spring-assisted disc ensures rapid, silent closure to prevent backflow and water hammer. Built from SS316, it is highly corrosion-resistant and works in any orientation (vertical or horizontal), making it ideal for tight industrial piping layouts.
Technical Attributes
No.,Attribute,Specification / Detail
1,Valve Type,Spring-Loaded Lift Check
2,Body Design,2-Piece (Threaded Body Connection)
3,Body Material,ASTM A351 CF8M (316) / CF8 (304)
4,Pressure Rating,1000 PSI (WOG) / PN63
5,Size Range,1/4" to 3" (DN8 to DN80)
6,End Connection,BSP / NPT (Threaded to ISO 7-1)
7,Disc Material,SS316 (Investment Cast)
8,Spring Material,Stainless Steel 316
9,Seat Material,Metal-to-Metal or Viton / PTFE
10,Cracking Pressure,0.5 to 1.5 PSI (Standard Spring)
11,Installation,Universal (Horizontal or Vertical)
12,Flow Direction,Uni-directional (Arrow on body)
13,Service Media,"Water, Oil, Gas, and Corrosive Chemicals"
14,Testing Standard,API 598
15,Working Temp.,−20∘C to +180∘C
Contact: Jorge Yang
Phone: +86-13588258503
E-mail: sales@fluvalve.com
Whatsapp:+86-13588258503
Add: Room 331, South Building,Building 1, No.3 Jinpeng Street, Sandun Town, Xihu District, Hangzhou City, Zhejiang Province
