Forged Steel Valves
Peco Forged Steel Valves are manufactured to API Std. 602 / BS 5352 and tested to API 598 / ASME B 16.34. These valves are metric valves of compact design, with a wider choice of shell and trim materials.
Forged Gate Valves
Manufacturing Standard: API 602 / BS 5352
Testing Standard: API 598 / ASME B 16.34
Size Range: 15NB To 50NB
Pressure Rating: Class 800 / 1500 / 2500
Features:
- Outside screw and yoke type bolted bonnet construction.
- Body and bonnet made from high quality forgings.
- Ease in access to stuffing box.
- Self-aligning gland and follower.
- Accurately machined gate and seat rings with mirror finished seating surfaces to assure leak tightness.
- Wedge accurately guided throughout its travel in machined guide ways in the body.
- Rolled in body seat rings of renewable type.
- Back seating surfaces provided integral to bonnet.
- Pressure seal bonnet or welded bonnet for high pressure.
Forged Globe Valves
Manufacturing Standard: API 602 / BS 5352
Testing Standard: API 598 / ASME B 16.34
Size Range: 15NB To 50NB
Pressure Rating: Class 800 / 1500 / 2500
Features:
- Outside screw and yoke type bolted bonnet construction.
- Body and bonnet made from high quality forgings.
- Taper Plug type disc and shoulder seated screwed seat ring with perfect matching of mating parts to assure leak tightness.
- Easy access to stuffing box.
- Self aligning gland and follower.
- Streamlined flow passages to minimize pressure losses and erosion.
- Back seating surfaces provided integral to bonnet.
- Pressure seal bonnet or welded bonnet for high pressure.
Forged Check Valves
Type: Lift Type / Piston Type
Manufacturing Standard: API 602 / BS 5352
Testing Standard: API 598 / ASME B 16.34
Size Range: 15NB To 50NB
Pressure Rating: Class 800 / 1500 / 2500
Features:
- Uniquely designed piston lift check valve incorporating self cushioning effect.
- Taper Plug type disc and shoulder seated screwed renewable seat ring for positive seating and leak tightness.
- Guided piston assuring accurate return to seat ring to achieve leak tightness.
- Streamlined flow passages designed to minimize pressure losses and erosion.
- Welded cover for high pressure.
Pressure Seal Valves
Type: Gate / Globe / Check Valves
Manufacturing Standard: API 600 / BS 1873 / ASME B 16.34
Ends: Flanged to ASME B 16.5, Butt Weld to ASME B 16.25
Face To Face: ASME B 16.10
Testing Standard: API 598 / ASME B 16.34
Size Range: 50NB To 600NB
Pressure Rating: Class 900 / 1500 / 2500
Applications:
- Refineries
- Petrochemical Complexes
- Fertilize Plants
- Thermal Power stations
- Other Process Industries
Features:
- Outside Screw and yoke construction for Gate-Globe Valves.
- Valves provided with back seating arrangement
- Solid, flexible, split wedge, double disc and parallel slide are available.
- Extended bonnet provided for low temperature and cryogenic Services (cold box and non-cold box applications) to conform to requirement of BS 6364.
- Specially designed die formed graphite packings, controlled clearances between stem, gland and bonnet bushing for guaranteed low emissions meet 100 ppm maximum fugitive emission levels.
- Renewable, seal welded seat ring or integral seat ring (cast S.S. only) available.
- Deep Stuffing box – with lantern ring optional
- Self aligning two piece gland
- Anti-friction ball thrust bearings in yoke sleeve for higher sizes and classes
- Locking arrangement optional
- Bi-directional shut off
- Optional gear, electric or pneumatic actuator available.
- Gasket design ensures self sealing under pressure.
- Regulating, guided and soft seated plugs are available for Globe valves.
- Tilting disc design available for swing check valve.