Ductile Iron Surface Box

We are a leading manufacturer of oil and gas industry valves, water works valves, and Valve Accessories. We have more than 15years experience in producing completed valve such as resilient gate valve, Metal to Metal Seat Gate Valve, Floating Ball Valve, trunnion mounted ball valve, Butterfly Valve, and relative valve accessories such as Ductile Iron Surface Box, Telescopic stem Extended Shaft for Gate Valve which is widely used for valves for buried service, valve gasekt and Valve Stem Packing, Bolt and Nut , Valve Gearbox, Ball Valve Components, etc. 

The the combination of Ductile Iron Surface Box and  telescopic range is from 1meter to 2meters, shaft is made from stainless steel or carbon steel; the protection pipe is made from PVC. It's operated by key cap, and connecting with valve by femal coupling with screw or pin.

Warmly welcomed to choose our combination of Ductile Iron Surface Box and Telescopic Stem Extended Shaft for Gate Valve, or other valve accessories such as  valve gasekt and valve stem packing, bolt and nut, valve gearbox, ball valve components, etc. If you have any other inquires of our water works valves, please also don't hesitate to contact with me!

RSF’s manufacturing factory of valve components produce forged steel valve body, valve closure, valve stem(shaft), ball, trunnion, gland Flange , actuator adaptor, seat ring, fittings etc.

We have completed own production line which including forging factory, heat treatment workshop, CNC machining workshop, and we have our own ISO17025 certified laboratory.

Valve Components: valve body, valve closure, valve stem(shaft), ball, trunnion, gland flange, actuator adaptor, seat ring, fittings, tailor-made valve component.

Material: A105N, LF2, 4130/4140, F316, F316L, F304, F304L, 17-4PH (UNS S 17400), F51, F53, F55, 410, F6A, F60 etc.

Testing: Chemical Properties Testing, Mechanical Properties Testing (Tensile, Hardness, Impact)

Dimension Check & Visual Check: 3D Geometrical Tolerance Check, Roughness Check, Dimensions Check

NDT: PT, MT, UT, RT, PMI

Certificates: ISO 9001:2015, API 20B, API 20C, AD2000, PED97/23/EC, NORSOK M650-F51/F53/F55/F316/LF2

Optional:

SS316 Overlay, Inconel 625 Cladding, NACE MR 01-75

Thanks for your selection of RSF’s ball valve components and parts! If you have any inquiries, please don’t hesitate to call us or email us!