Professional China En558 Series 14 Butterfly Valve - fully welded burried ball valve with extended stem (BV-300-4W) – Deye

Quick Detail：

Design standard: ANSI B16.34

Body material: Forged Steel A105

Nominal diameter: DN100 4” 6”

Pressure: 300LBS PN40 PN64

End connection: Flanged Ends  

Seal: RPTFE NYLON DEVLON PEEK

Face to face: ANSI B16.10

Flange ends RTJ ANSI B16.5

Mode of operation: Gear Box  

Test and inspection: API 598.

Working Temperature: -29℃~+425℃.

Product Range:

Full bore or reducing bore

Optional Ends: BW, flanged

Optional seal: PTFE, RPTEF, Metal Seated

Available Body Material: ASTM A216WCB/LCB/CF8M/4A/5A/Alloy Steel

Available Ball : SS304, SS316, Solid Type, A105+ENP.

Pressure Range: 150LBS-1500LBS , PN10-PN250

Size Range: 2”-36” DN50-DN900mm

Face to face Dimension: up to 2000MM

Stem extension: up to 3000MM

Drain and vent Plugs available

Performance:

Reliable sealing performance and small torque;

Full bore and reduced bore;

Low emission packing;

Fire safe, Anti-static and anti-blowout stem design;

Optional locking device

Optional ISO 5211 top flange.

Smooth Electroless nickel plated ball for bubble tight sealing and low operating torques

Bi-Directional flow

Double sealing on stem, stem gland and closure connections

Seats insure low and high pressure sealing and body cavity self-relief

Seat Injection fitting with internal check valve for emergency sealing

Application:

Suitable medium：Oil/Gas，LNG/LPG, Petrochemical, Steel mills, Heating pipes etc.