Matching specification: Matches D170 valve seat socket RS11306A.05.18.00
Assembly components: 4-rib alloy steel valve body + NBR polyurethane valve rubber sealing ring + stainless compression spring + valve guide retainer + fixing nut
Sealing surface: 45° precision grinding conical sealing face, metal-to-metal hard seal with valve seat
Single pump consumption: 6 sets (3 suction valves + 3 discharge valves per triplex mud pump)
Valve stem overall length: 196 mm; outer sealing diameter φ170 mm
