DIN F4/BS5163/AWWA Resilient Seated Non-Rising Stem Gate Valve

• Customization: Available
• Media: Water
• Temperature: Low Temperature
• Model NO.: NRGV
• Type: Direct-acting
• Material: Cast Iron
• Connection Form: Flange
• Pressure: Low Pressure
• Actuator: Manual
• Seal Surface: Wedge Gate Valve
• Thread Position of Valve Rod: Inside Gate Valve
• Usage: Drain, Flow Control
• Standard: DIN
• Application: Industrial Usage, Water Industrial Usage
• Name: Non-rising Stem Gate Valve
• Body: Ductile Iron
• Wedge: Ductile Iron + EPDM
• Stem: Ss304/420/316
• Operator: Cap Nut/Handwheel/Gearbox/Actuator
• Connection: Flanged or Socket or Grooved
• Size Range: 1.5"-48"
• Pressure Rate: PN10/16/25
• Coating: Epoxy Coated 250 Microns
• Design Standard: DIN3352, BS5163, Awwa C502, As2638.2
• Flange Drilling: EN1092-2 or ANSI B16.1
• Transport Package: Bubble Bags & Wooden Case
• Specification: DN50-600
• Trademark: WALTER/ No Brand
• Origin: Suzhou, Jiangsu
• HS Code: 8481804090
• Production Capacity: 2000 Sets Per Month

Product Description

WALTER NRGV Model Non-rising Stem Resilient Seated Gate Valve is a soft seal disc which is fully encapsulated with rubber. The valve is designed with new technology for light operating, no clogging and no corrosion, good resilient memory & long service life. It can be used extensively in all kinds of water supply & sewage, fire-fighting

and function as a shut-off or regulating valve.

Technical Data
Size range	DN50-DN1200
Pressure range	PN10-16-25
Temperature	-10°ºC to +80ºC
Design	EN 1171/ EN 1074
Face to face	DIN 3202 F4/F5, BS5163,
Flange drilling	EN 1092-2 / ISO 7005-2
Coating	Thermoplastic Powder Epoxy
Testing	EN 12266-1
Marking	EN 19
Coating Blue Color	RAL 5005
	RAL 5010
	RAL 5015
	Custom made

Application Range

• Potable water
• Waste water
• Water treatment and distribution systems
• Food and chemical enterprises
• HVAC
• Power plants

 

Operation Versions

• Hand wheel
• Bare shaft
• Operation cap
• ISO top flange
• Gearbox and hand wheel
• Gearbox and top flange
• Electrical and Pneumatic

• Body & Cover are made of high grade Ductile Iron.
• Disc is designed with an abrasion resistant nylon guide which can help less opening or closing torque and smooth during operation.
• Forged stem provide stronger stem operation and less moving parts.
• Disc is covered by high-grade rubber which complies with drinking water.
• High-tech rubber curing with precise geometry dimensions, more resilient & strong adhesive to ductile casting.
• The 3 O-ring stem seals are designed to prevent stem leakage. and provide replacement of the O-ring without disassembling
of valve from mainline pipes.
• Both inside & outside are coated with epoxy resin powder.
• Hydro-static test pressure for seat: PN x 1.1 , for shell: PN x 1.5 according to EN 12266-1.










Suzhou Walter Flow Control Equipment Co., Ltd. Can supply OEM for Sluice Valve, gate valve, flange butterfly valve, check valve, strainer, pressure reducing valve, fire hydrant,

Welcome your enquiry for more details.