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API6d Forged Steel Metal Seated Fixed Ball Valve

Product Description

Material: Stainless Steel Driving Mode: Turbine Channel: Straight Through Type Type: Fixed Ball Valve Temperature: Normal Temperature Size: 2′′-48′′ Ends Con,: RF,Rtj,Sw,Bw Trademark: FYV Origin: Wenzhou, Zhejiang Connection Form: Flange Nominal Pressure: ANSI CLASS 150-900 Structure: Fixed Ball Valve Function: Relief Valve Application: Industrial Usage Class: 150lb-1500lb Operation: Gearbox Specification: CE, SGS HS Code: 8481804090 StandaRds
API Trunnion Ball Valve
Design and Manufacture: API 6D, ASME B16.34(BS5351), API608, MSS-SP-72
Face to face dimension: ASME B16.10, API 6D
Flange connection dimension: ASME B16.5
BW connection dimension: ASME B16.5
Test and inspection: API 598, API 6D
Fire-safe design: API 607

Fire-SaFe Test
Approved trunnion ball valves are designed in accordance with API 607 & API SPEC 6FA. When non-metal seats are destroyed in a fire, the medium pressure push the upstream seat into the ball to cut off the line fluid and prevent internal leakage due to a secondary metal-to-metal seals. When the first soft seal is damaged, body, bonnet, stem-gasket can reach sealing function and prevent external fluid leakage.

Double body Gasket
All trunnion ball valves are equipped with two body gasket. The first body gasket is in soft material and the second in graphite (if not otherwise required), this combination assures the best seal characteristic in whatever corrosive service as well give fire safe design.
ANTi-static device In order to prevent static electricity which may light the fluid, static-conduction spring is set between the stem trunnion and the ball.

AnTi blow-ouT prooF STem
The stem is designed with integral T-Type shoulder to provide blow-out proof effectively. The design assures that the stem can not be blown out of the valve in the case of the packing being removed while the valve is under pressure.

Stem and stuffing box finish machining is a key point of control. The stem is made by cold rolling and stem surface finish is controlled by Ra=0.4, which can reduce friction for stem moving and ensure the seal. The stuffing box surface is controlled within Ra=1.6 for better sealing performance.

The solid ball used by FANGYUAN provides straight through flow and real full-port performance characteristics. Hollow ball or cored cavity ball are not used for products.

Stem/Flange mechanical stops ensure control and precise alignment over ball rotation.

Special consideration was devoted to the attainment of enhanced life and operation of our valve throughout design, development, testing and manufacturing stages. Valve designs combined with the selection of advanced materials are such that long periods of inactivity should not affect the operations of efficiency.

Valve design allows for high flow capacity in liquid or gas services regardless of whether the media is clean or dirty. Full port valves allow for pigging and ensure maximum flow capacity.

Simple user friendly design allows for quick and easy part replacement requiring minimal"Down Time".

For 6" full port and larger each valve is supplied complete with emergency stem sealant injection feature.

Every valve is subjected on routine base to different non-destructive testing, like the dye penetrant test on butt weld ends, on all hard faced and cladding areas. Non-destructive test are also carried out on the critical areas as defined by ANSI B. 16.34.
Optional examinations like:
Magnetic particicles

Each valve is identified on proper name plate and on valve body as required by MSS- SP 25, B 16.34 Name plate carries all information on rating, size, valve body and trim material, customer tags. On body, marking includes material designations (per ASTM) and heat code and of course the trade mark.


Part Name CS to ASTM AS to ASTM SS to ASTM
Type A105 Type F22 Type F304(L) Type F316(L)
1 Body A105 A182 F22 A182 F304(L) A182 F316(L)
2 Gasket Corrugated SS + graphite SS + PTFE
3 Bonnet Bolt A193 B7 A193 B16 A193 B8 A193 B8M
4 Pin A276 420 A276 304
5 Gland A276 410 A182 F304(L) A182 F316(L)
6 Gland Eyebolt A193 B7 A193 B16 A193 B8 A193 B8M
7 Gland Nut A194 2H A194 4 A194 8 A194 8M
8 Yoke Nut A276 410
9 H.W. Nut A194 2H A194 4 A194 8 A194 8M
10 Nameplate SS
11 Hand wheel A197
12 Gland Flange A216 WCB A351 CF8
13 Stem Packing Flexible Graphite PTFE
14 Bonnet A105 A276 304 A182 F304(L) A182 F316(L)
15 Stem A182 F6 A182 F304 A182 F304(L) A182 F316(L)
16 Disc A276 420 A276 304 A276 304(L) A273 316(L)
Suitable Medium W.O.G. etc W.O.G. etc HNO3,CH3OOH etc
Suitable Temperature -29ºC~425ºC -29ºC~550ºC -29ºC~180ºC
API6d Forged Steel Metal Seated Fixed Ball Valve

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