Valve Head Types

Floating Ball Valve Instrument Class

10mm, 12.7mm, 14mm bore

Features:

Quarter turn positive shut-off
316 stainless steel handle and stop pin
Blow-out proof one-piece stem
Vented ball for cavity relief
Fully supported seats
End cap threads protected from process
Vibration proof handle lock nut
Fire-safe design
Anti-static design
Operating pressure up to 10,000 p.s.i.g.
Operating temp from -40°C to +200 C
Threaded end caps pinned to prevent accidental removal

Uses:

For instrumentation and pipeline applications where a through bore design is required to minimise pressure drop and maximise product flow, with 1/4 turn shut off. Repeatable bubble tight sealing, combined with economic construction.
Suitable for most general applications.

Floating Ball Valve Piping Class

1/2” bore and above

Specifications:

Type : Floating Ball (Seat Supported)
Fire Integrity : Fire Tested to BS 6755 Part 2
Antistatic : to BS 5351
Seats : PTFE, GRTFE, NYLON, PEEK (to suit service conditions)

Uses:

For pipeline applications where a through bore design is required to minimise pressure drop and maximise product flow, with 1/4 turn shut off. Repeatable bubble tight sealing, combined with economic construction. Suitable for most general applications.

Trunnion Mounted Ball Valve

1/2” bore and above

Specifications:

Type : Trunnion mounted
Fire Integrity : Fire Tested to BS 6755 Part 2
Antistatic : To BS 5351
Seats : Metal to metal TCC (Tungsten Carbide Coated)

Uses:

For pipeline applications where a through bore design is required to minimise pressure drop and maximise product flow, with 1/4 turn shut off. Hardwearing seat surfaces give repeatable service.

Suitable for applications with high or low service temperatures which exclude the use of plastic seat materials.

Needle Valve

Features:

Operating pressure up to 10,000 p.s.i.g
Operating temperature from -40°C to 500°C
Austenitic stainless steel one piece handle
Effective thread seal (integral with gland follower)
Unique NIFLOR coated stem threads
Head unit service label
Packing bush to suit operating conditions
Bonnet locking pin
Metal to metal body to bonnet seal (DIN 3852)
All wetted parts traceable
Hardened stem for positive shut-off
100% Pressure tested

Needle Valve – OS&Y

Features:

Operating pressure up to 10,000 p.s.i.g.
Operating temperature from – 40°C to 500°C
Austenitic stainless steel on piece handle
Effective thread seal (integral with follower flange)
Unique NIFLOR coated stem threads
Head unit service label
Packing bush to suit operating conditions
Bolted bonnet construction
All wetted parts traceable
Hardened stem for positive shut-off
100% Pressure tested

Gate Valve

Specifications:

Type : Outside screw and yoke wedge Gate Valve
Fire Integrity : Fire Tested to BS 6755 Part 2
Wedge : One piece, loose fitted to stem for perfect seat alignment
Seats : Metal to metal seats for abrasion resistance and performance at high temperature
Body Seals : Pressure energised metal to metal “WING” seal
Gland : Adjustable stuffing box with PTFE impregnated packing
Bonnet : Bolted

Uses:

For pipeline applications where a through bore design is required with increased security of positive metal shut off for high or low service temperatures or abrasive service.

Globe Valve

Specifications:

Type : Outside screw and yoke
Fire Integrity : Fire Tested to BS 6755 Part 2
Plug : One piece, loose fitted to stem for perfect seat alignment
Seats : Metal to metal seated for abrasion resistance and performance at high temperature
Body Seals : Pressure energised metal to metal “WING” seal
Gland : Adjustable stuffing box with PTFE impregnated packing
Bonnet : Bolted

Uses:

For pipeline applications where a pressure drop across the valve is acceptable. With increased security of positive metal to metal shut off. Suitable for all general applications.

Check Valve

Specifications:

Type : Piston, in line, spring loaded
Seat : Metal to metal (soft seat available as an option)
Spring : Inconel

Uses:

For injection service where the process fluid is being conditioned. Prevents process backflow if conditioning fluid pressure falls.

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