Groove Joint Ends Rising Stem Resilient Seated Gate Valve——ZG VALVE
Groove Joint Ends Rising Stem Resilient Seated Gate Valve——ZG VALVE
  • Groove Joint Ends Rising Stem Resilient Seated Gate Valve——ZG VALVE
  • Groove Joint Ends Rising Stem Resilient Seated Gate Valve——ZG VALVE

Groove Joint Ends Rising Stem Resilient Seated Gate Valve

ZG VALVE Groove Joint Ends Rising Stem Resilient Seated Gate Valve(DN40-DN600), CE pressure equipment Certification,10 inspection procedures, multiple pressure tests,two-year warranty, a variety of materials are available.

Size Range: 2“-12”/DN50-DN300

Pressure: -1 to +16 Bar

Body Materials: Ductile Iron EN- GJS- 500- 7

Wedge Coating Materials: NBR /EPDM EN 681-1

Wedge Materials: Ductile Iron EN- GJS- 500- 7

Stem Materials: Stainless Steel X20 Cr13

Payment: T/T, D/P or L/C

Lead Time:5-30 days

Description

Design Features:

1、 Ductile Iron body and bonnet for high strength and impact resistance . Valve Body and Bonnet Fusion bonded epoxy coating for long life corrosion protection. Straight through full bore to avoid debris traps, small flow resistance.

2、 Ductile Iron Wedge inside and outside fully rubberized with vulcanized EPDM or NBR ,suitable for potable water.

3、 Rubber bonnet gasket for longevity and protection of bonnet bolts, Isolated fasteners for corrosion protection.

4、 Stainless steel stem with rolling thread for high strength and corrosion resistance**.

5、 Back sealing facility to allow for replacement of seals under full operating pressure.

6、 Lower thrust washer to reduce friction.

7、 Ductile Iron Gland Thick Wall Casting, replaceable O rings.

8、 Dust Guard to prevent impurities from entering the stem sealing system.

9、 Brass bushing for alignment, low torque operation.

10、 Stem nut assembled downward.

11、Valve is supplied with hand wheel or bare shaft with square cap; Small operation torque, easy opening and closing.


Field of Application:

Size Range: DN40 and DN600

Maximum Temperature: 80˚C

Allowable Operating Pressure:PN10、PN16、PN25

Gate valve for use in irrigation, general utility services, HVAC and water systems


Features:

Outside stem and yoke (OS&Y)

Stem Seal with O-ring

Bolt bonnet, Full bore

Rubber encapsulated wedge, Brass Wedge Nut.

Fusion bonded epoxy coated inside and outside , blue RAL 5017 200 Micron thick

Working pressure from -1 to +16 Bar and working temperature from -10 to +80 ºC


Technical Specification:

VValve design according to EN 1171/DIN3352

Hydraulic test according to EN 12266、ISO5208

Groove dimensions comply with UL213、CJ/T 156

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MATERIAL LIST


Item No.Part NameSpecification
1BodyDuctile Iron EN- GJS- 500- 7
2WedgeDuctile Iron EN- GJS- 500- 7
3Wedge CoatingNBR /EPDM EN 681-1
4Wedge NutCopper Alloy
5StemStainless  Steel  X20 Cr13
6O Ring Back SealingEPDM/NBR
7Bonnet GasketNBR /EPDM EN 681-1
8BonnetDuctile Iron EN- GJS- 500- 7
9Packing CorkCopper Alloy
10O-RingEPDM/NBR
11Parking O-RingEPDM/NBR
12Gland  FlangeDuctile Iron EN- GJS- 500- 7
13YokeDuctile Iron EN- GJS- 500- 7
14Stem NutCopper Alloy
15HandWheelDuctile Iron EN- GJS- 500- 7


Dimensions (mm)

SizeLODH(open)WW.T(kg )
DN5015060.325025011
DN6517073 / 76.126526514
DN8018088.930030017
DN100190114.335035021
DN125200139.7  / 141.341041029
DN150210165.1 / 168.345045038
DN200230219.155055058
DN25025027365065090
DN300270323.9710710120



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