PTFE Seat Butterfly Valve

 

Concentric PTFE seated butterfly valves in lug ends

GZP Concentric PTFE seated butterfly valves for food processing, chemical, and sanitary applications

Designed one or Two Piece body

Wafer Style

Lug Style

Cartridge Seat

Thin Profile Disc

ISO mounting and Shaft

Rated to 150 psi

Vacuum Rated

One piece wafer and lugged body for strength and stability in extreme environments.

Heavy duty top plate is drilled and slotted to ISO 5211 and other existing valve drillings, thus allowing ease of automation and interchangeability.

Two part polyester coated body provides a tough and durable coating against corrosion.

All 316 stainless steel discs are polished to a mirror finish.

Discs have a streamlined design, providing higher Cv and lower pressure drop.

Oversized shafts allow for greater strength and thus more stability to the disc.

A high strength machined Double D connection ensures a positive shaft-to-disc connection.

PTFE and elastomer are both vulcanized to a rigid phenolic ring. This cartridge seat provides a stable platform, eliminating movement of the PTFE and elastomer.

Torque fluctuation is eliminated by the consistent conformity of the seat, provided for by the cartridge design.

Cartridge design allows for full field replacement.

The Flow Line shaft seal is achieved through a continuous pressure exerted from the flatted area of the seat to the machined flatted area of the disc.

Torques List

Shutoff Pressure 2" 2½" 3" 4" 5" 6" 8" 10" 12"

150 PSI Shutoff 170 243 380 563 886 1130 1900 3120 5630 (N.m)

 

Technical data
Design	API609,BS5155,ASME B 16.34,DIN3354,
Face to Face	ASME B16.10,EN 558,DIN 3202
Pressures range	PN6/PN10/PN16/5K/10K/CL150
Size range	DN50(2") ~DN600 (24")
Body Material	Cast iron, Ductile iron, Carbon Steel, Stainless steel, Al-bronze.
	NACE MR-01-75/NACE MR-01-03 Special Requirements
Face to Face	ASME B 16.10,EN 558,DIN3202
Fange,Wafer,Lug Ends	ASME B16.5 ≤ DN600 (24")
	BS 4504,DIN 2543-2545,EN1092
Temperature range	-20°~ 100°C
Design Feature
Construction	Centric/Center line type
Disc Type	Round Disc
Seat Sealing	PTFE, RPTFE,
Valve Operation	Gear,pneumatic,Hydraulic,Electric actuators.
	By passes,locking devices,extended stem,etc
Inspection and Test
Visual Inspection	MSS SP55
Material Inspection	PMI Test----Chemical Analysis
	HB Test---Hardness Test
	UT---Ultrasonic Test
	RT---Radio-graphic Test
	MT---Magnetic Test
	NDT Test Non-destructive
Dimension inspection	According to drawings
Valve Inspection and Test	API 598,DIN 3230,EN 12266,BS 5146

 

FAQ

Q:Why choose us ?
A: We are a manufacturer, we have been manufacturing valve over 20 years .
B. We have our own casting foundary of a large scale

Q. What is your payment term?
A: T/T , L/C or other acceptable payment.

Q:Can we print our logo on your products?
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.

Q: What is your main market?
A: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

 

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