Henry Pratt High Performance Butterfly Valve Series 400

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Henry Pratt High Performance Butterfly Valve Series 400 Construction Specifications:
Sizes: 2" through 48"
Body:
Carbon Steel A216-WCB
Stainless Steel A351-CF8M
Disc: Stainless Steel A351-CF8M
Stem: Stainless Steel 17-4PH
Seat: RTFE
Actuation Options: Worm Gear Lever
Pneumatic Electric
Henry Pratt High Performance Butterfly Valve Series 400 Features:
1. Body — High quality one piece casting which provides consistent uniformity. Sizes 2 inch to
6 inch are investment castings. Body is available in Wafer, Lug, Double Flanged, and Butt-welded.
2. Underneath Drawn Gland Packing — Allows for direct mounting of actuation and ease of adjustment.
3. Seat — An advanced design that provides a bidirectional interference and pressure assisted seal. This design achieves maximum seal at low, medium and high pressure.
4. Extended Neck — Allows for two inches of pipe insulation.
5. Packing — PTFE is a cup and cone system and Graphite is die formed rings for positive seals.
6. Bearings — Made of Graphite impregnated or Reinforced PTFE impregnated 316 Stainless Steel to ensure long service life.
7. Stem — Manufactured of high strength 17-4 ph Stainless Steel to provide maximum strength and stability for high torque applications.
8. Disc — Made of CF8M Stainless Steel and engineered to allow for quick release from the seat. This reduces the amount of torque needed to un-seat the disc.
9. Disc Taper Pins — Pins are offset from the center of the stem which places them in compression rather than in sheer. This gives them a yield point greater than the stem itself.
Pins are welded in place after final assembly and testing.
10. Integrally Cast Disc Position Stop —Machined position stop on the body locates the disc in the seat to achieve maximum seat and seal life.

we A&S Actuators Co,.Ltd could supply you with Henry Pratt Butterfly Valves.

the main models and types as follows:
Henry Pratt High Performance Butterfly Valve Series 400
Henry Pratt Triton XR-70 Butterfly Valve
Henry Pratt Rubber Seated Butterfly Valve Series 396 And Series 397
Henry Pratt HP350 Butterfly Valve
Henry Pratt 6"-24" HP350 Flanged Butterfly Valve
Henry Pratt 6"-48" HP350 Flanged Butterfly Valve
Henry Pratt Rubber Seated Butterfly Valve Sizes 3''-20''
Henry Pratt HP250 Butterfly Valve
Pratt HP250II Butterfly Valve
Henry Pratt 24"-72" Groundhog Buried Service Butterfly Valves
Henry Pratt 4"-20" Groundhog Buried Service Butterfly Valves
Henry Pratt Triton Rubber Seated Butterfly Valves
Henry Pratt Model 2VII Victaulic End Butterfly Valve
Henry Pratt Model 2FPII Push-On X Flange End Butterfly Valve
Henry Pratt Model 2PII Push-On Joint End Butterfly Valve
Henry Pratt Model 2MFII Mechanical Joint End Butterfly Valve
Henry Pratt Model 2MII Mechanical Joint End Butterfly Valve
Henry Pratt Monoflange MKII Wafer Butterfly Valve
Henry Pratt Model 2FII Flanged Butterfly Valve

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