API Bellows sealed (globe valve)
It is a casted full bore valve with inside screw, internal bellows, different types of plug and suitable especially for regulation, suitable for high temperature, manufactured according API standard.
Specifications
1. Stem: Forged steel, single-part construction, ACME screw
2. Bonnet-body gasket: 150-600 LB graphite + stainless steel spiral wound gasket. 900 LB “ring joint” type bonnet
3. Body and bonnet: high quality and precision tooled cast iron. Single-part
4. Double wall bellows seal
5. Backseat for on-line maintenance
6. Rising wheel
7. Position indicator
8. Anti-rotation device for prevention of torsion of bellows seal
9. Bellows seal welded onto stem
Features
Size: from 2″ to 12″
Pressure: 900 – 900LB
Material: WCB, WC1, WC6, and WC9 or CF8M.
Design and production standard: DIN3356, BS1873 or API602
Distance between standard flanges: DIN2543-2545 or ANSI B16.5
Connected in accordance with standard: DIN2543-2545 or ANSI B16.5
Test standard: DIN3230, API 598 or MSS SP-117
Actuation: can operate with lever, gear box and electric actuator.
Medium: The valve is suitable for several media including water, steam, oil, gas, petrol products, nitric acid, acetic acid, etc.
Working temperature: from -50ºC (stainless steel constructions) and -29ºC (carbon steel constructions) up to 600℃
