300PSI Resilient Wedge OS & Y Gate Valve - Flanged x Grooved End

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Gate Valve

Compliance Credentials: Strictly certified to UL 260 and FM standards for high-hazard critical infrastructure

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300PSI Resilient Wedge OS & Y Gate Valve - Flanged x Grooved End

▎Product Description

Model Z481-300 is a UL/FM certified resilient wedge OS&Y gate valve featuring a flanged by grooved end configuration, rated for 300 PSI and engineered for high-reliability fire protection and water distribution systems.

🛡️ Certifications: UL Listed / FM Approved / NSF 61 & 372 Lead-Free

⚙️ Connections: Hybrid Flanged x Grooved Ends (ASME B16.10 / AWWA C606)

💧 Pressure & Temp: 300 PSI Working Pressure | 0~80°C Operating Range

▎Technical Features

Parameter Item	Parameter Value
Face to Face Standard	ASME B16.10
Sizes	2", 2.5", 3", 4", 5", 6", 8", 10", 12"(FM UL)
Flange Standard	ASME/ANSI B 16.1 Class 125
	ASME/ANSI B 16.42 Class 150
	BS EN 1092-2 PN 16
	GB / T9113.1
Groove Standard	Metric or ANSI / AWWA C606
Approvals	UL, CUL, FM, NSF / ANSI 61 & NSF / ANSI 372
Maximum Working Pressure	300PSI
Maximum Testing Pressure	600 PSI
Pressure Compliance Standard	FM 1120 / 1130, UL 262, ULC / ORD C262-92
Working Temperature Range	0~80°C / 32~176°F
Coating Details	Epoxy or Coating upon request
Body Fitting & Operating Parts	NPT plug on body with 2 operating nuts
Lead-Free Certification Status	Certified lead-free by NSF / ANSI 61 & NSF / ANSI 372 is available

▎Dimensions

Size	DN	L	D	F	D2	E	G	H
2½"	65	190	178	15.9	73 76.1	69.1 72.3	7.9	370
3"	80	203	191	15.9	88.9	84.9	7.9	420
4"	100	229	229	15.9	114.3	110.1	9.5	447
5"	125	254	254	15.9	139.7 141.3	135.5 137	9.5	547
6"	150	267	279	15.9	165.1 168.3	160.8 163.9	9.5	607
8"	200	292	343	19	216.3 219.1	211.6 214.3	11.1	754
10"	250	330	406	19	273	268.3	12.7	890
12"	300	356	483	19	323.9	318.3	12.7	1031

▎Valve Meteial List

NO.	Name	Material	Standard
1	Gasket	Stainless Steel 304 or C95400	ASTM A276 or ASTM B148
2	Bonnet	Ductile Iron	ASTM A536 Grade 65-45-12
3	Packing	Graphite
4	Disc	Ductile Iron +EPDM	ASTM A536 Grade 65-45-12+ASTM D2000
5	Body	Ductile Iron	ASTM A536 Grade 65-45-12
6	Sealing Ring	EPDM	ASTM D2000
7	Bolt	Stainless Steel 304 or Steel 1045	ASTM A276 or 1045, ASTM A29
8	Gland	Ductile Iron	ASTM A536 Grade 65-45-12
9	Nut	Stainless Steel 304 or Steel 1045	ASTM A276 or 1045, ASTM A29
10	Flat Washer	Stainless Steel 304 or Steel 1045	ASTM A276 or 1045, ASTM A29
11	Bolt	Stainless Steel 304 or Steel 1045	ASTM A276 or 1045, ASTM A29
12	Handwheel	Ductile Iron	ASTM A536 Grade 65-45-12
13	Lock Nut	C95400	ASTM B148
14	Locating Screw	Stainless Steel 304 or Steel 1045	ASTM A276 or 1045, ASTM A29
15	Stem	Stainless Steel 304 or C95400	ASTM B148
16	Stem Nut	C95400	ASTM B148
17	Plug	C95400	ASTM B148
18	Lifting Nut	CF8 or C95400	ASTM A351 or ASTM B148
19	Pin	Stainless Steel 304	ASTM A276
20	Sealing Ring	EPDM	ASTM D2000