Rubber Wedge Non-Rising Stem Gate Valves

• Media: Water
• Temperature: Ordinary Temperature
• Type: Dual-through
• Material: Cast Iron
• Connection Form: Flange
• Pressure: Ordinary Pressure
• Actuator: Manual
• Seal Surface: Wedge Gate Valve
• Thread Position of Valve Rod: Inside Gate Valve
• Usage: Flow Control
• Standard: DIN
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Body: Ductile Iron
• Bonnet: Ductile Iron
• Bonnet Gasket: NBR/EPDM
• Stem: SS304/420/316
• Hand Wheel: Ductile Iron
• Coating: Epoxy Coated 250Microns
• Operator: Cap Nut/Handwheel
• Transport Package: Wooden Case & Bubble Bags
• Specification: DN40-600
• Trademark: WALTER
• Origin: Suzhou, Jiangsu
• HS Code: 8481804090
• Production Capacity: 20000/Month

Product Description

          Rubber Wedge Non-Rising Stem Gate Valves

Product standard
Design standard:BS5163,DIN3352,AWWA C 509/515
Flange connection standard:GB/T17241.6  BS EN1092-2  ASME B16.1
Structural length standard:GB/T12221  BS EN558-1 ASME B16.1
Test standard:GB/13927  BS EN12266-1  API598
Technical parameter
Inside nominal diameter : DN50 ~ DN600
Nominal pressure : PN16
Working temperature : -5ºC--18ºC
Size range: 1", 1 1/2", 2" to 24"
Pressure  Testing :
-Shell : PN*1.5
-Seal : PN*1.1
Applicable medium : water
 

No.	Part Name	Material
1	Gland	Ductlie Iron(GGG50/EN-GJS500-7)
2	Bonnet	Ductile Iron(GGG50/EN-GJS500-7)
3	Bonnet Gasket	NBR/EPDM
4	Wedge	Ductile Iron+EPDM(GGG50/EN-GJS-7+EPDM)
5	Wedge Nut	Brass(Cooper Alloy EN 12165)
6	Stem	Stainless Steel(X20 Cr13)
7	Thrust Washer	PTFE/Nylon
8	O-rings	NBR/EPDM
9	Bolts	Carbon Steel/Stainless Steel
10	Gland	Stainless Steel(0Cr13)
11	Hand Wheel	Ductile Iron (GGG50/EN-GJS500-7)

 

Dimensions(mm) 

Model	Size	DN	L	D1	D2	D3	H	n-ΦdPN10	n-ΦdPN16
NRGV-0050	2"	50	178	99	125	165	221	4-Φ19	4-Φ19
NRGV-0065	21/2"	65	190	118	145	185	232	4-Φ19	4-Φ19
NRGV-0080	3"	80	203	132	160	200	245	8-Φ19	8-Φ19
NRGV-0100	4"	100	229	156	180	220	258	8-Φ19	8-Φ19
NRGV-0125	5"	125	254	184	210	250	274	8-Φ19	8-Φ19
NRGV-0150	6"	150	267	211	240	285	292	8-Φ23	8-Φ23
NRGV-0200	8"	200	292	266	295	340	369	12-Φ23	12-Φ23
NRGV-0250	10"	250	330	319	355	405	400	12-Φ28	12-Φ28
NRGV-0300	12"	300	356	370	410	460	436	12-Φ28	12-Φ28
NRGV-0350	14"	350	381	429	470	520	521	16-Φ28	16-Φ28
NRGV-0400	16"	400	406	480	525	580	566	16-Φ31	16-Φ31
NRGV-0450	18"	450	432	548	585	640	647	20-Φ31	20-Φ31
NRGV-0500	20"	500	457	609	650	715	692	20-Φ34	20-Φ34
NRGV-0600	24"	600	508	720	770	840	816	20-Φ37	20-Φ37