UL/FM 200PSI Resilient Wedge NRS Gate Valve - Flanged x Grooved End Z485

Model: Z485
Date Updated: July 22, 2026
Prepared by: Fire Gate Valve Technical Department

Categories:

Gate Valve

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

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0086-18600252968

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UL/FM 200PSI Resilient Wedge NRS Gate Valve - Flanged x Grooved End Z485

▏Product Description

The Ningjin APC Industries UL/FM 200PSI Resilient Wedge NRS Gate Valve - Flanged x Grooved End Z485 is manufactured in strict compliance with ANSI / AWWA C515 standards for fire protection and water supply piping networks. Featuring a Non-Rising Stem (NRS) design, it is certified with FM, UL, CUL, and NSF / ANSI 61 & NSF / ANSI 372 lead-free approvals. The Z485 series operates at a maximum working pressure of 200PSI and a maximum testing pressure of 400PSI, with pressure performance conforming to FM 1120 / 1130, UL 262, and ULC / ORD C262-92.

Constructed with a high-strength Ductile Iron body, cover/cap, disc, platen, and wrench nut, the valve disc is fully encapsulated in EPDM elastomer to ensure reliable bidirectional seating. The flat, straight-through bottom design eliminates debris entrapment, protecting the wedge seal and ensuring smooth flow. Standard configurations feature an NPT plug on the body with 2 operating nuts, making it fully compatible with vertical and wall-type indicator posts in underground or enclosed installations.

The Z485 features hybrid end connections with flanges matching ASME/ANSI B16.1 Class 125, ASME/ANSI B16.42 Class 150, BS EN 1092-2 PN 16, and GB/T 9113.1, alongside grooves conforming to ANSI / AWWA C606 or Metric standards. Across sizes from 2" to 12" (2" FM approved), it operates within a temperature range of 0~80°C / 32~176°F and is protected with electrostatic epoxy coating or custom coating upon request.

▏Technical Features

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	ANSI / AWWA C606 or Metric
Face to Face Standard	ASME B16.10
Sizes	2"(FM), 2½", 3", 4", 5", 6", 8", 10", 12"
Approvals	FM, UL, CUL, NSF / ANSI 61 & NSF / ANSI 372
Maximum Working Pressure	200PSI
Maximum Testing Pressure	400PSI
Pressure Compliance	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 Feature	NPT plug on body with 2 operating nuts
Lead-Free Certification	Certified lead-free by NSF / ANSI 61 & NSF / ANSI 372 is available

▏Valve Material List

NO.	Name	Material
1	Body	Ductile Iron
2	Disc	Ductile Iron+EPDM
3	Nut	C95400
4	Gasket	EPDM
5	Stem	Stainless Steel 304
6	Cap	Ductile Iron
7	Retainer Ring	C95400
8	O-ring	EPDM
9	Wrench Nut	Ductile Iron
10	Minipad	Steel 1045
11	Bolt	Steel 1045
12	Stud	Steel 1045
13	Nut	Steel 1045
14	Flat Washer	Steel 1045
15	Coupling Flange	Ductile Iron
16	Platen	Ductile Iron
17	Countersunk Head Bolt	Steel 1045

▏Dimensions

Size	L	H	øD	øD1	øE	F	G
2"	178	265	152	60.3	57.15	15.9	7.9
2½"	190	289	178	76.1	72.3	15.9	7.9
3"	203	326	191	88.9	84.9	15.9	7.9
4"	229	355	229	114.3	110.1	15.9	9.5
5"	254	410	254	141.3	137	15.9	9.5
6"	267	455	279	168.3	163.9	15.9	9.5
8"	292	558	343	219.1	214.4	19	11.1
10"	330	648	406	273	268.3	19	12.7
12"	356	745	483	323.9	318.3	19	12.7

▏FAQ

Which certifications confirm compliance for Ningjin APC UL listed FM approved resilient wedge gate valve manufacturer products in fire safety systems?

Ningjin APC’s resilient wedge gate valves hold official FM, UL, CUL, and NSF / ANSI 61 & NSF / ANSI 372 lead-free certifications. Pressure performance complies with FM 1120 / 1130, UL 262, and ULC / ORD C262-92 standards. Engineered for maximum working pressure of 200PSI and testing pressure of 400PSI, these valves are approved for fire protection and potable water systems.

How do end flange dimensions and operating nut designs align for a 200 PSI OS&Y gate valve Class 125 flange or NRS gate valve specification?

The Z485 series integrates hybrid Flanged x Grooved end connections. Flanges comply with ASME/ANSI B 16.1 Class 125, ASME/ANSI B 16.42 Class 150, BS EN 1092-2 PN 16, or GB/T 9113.1, while grooves conform to ANSI / AWWA C606 or Metric standards. The body features an NPT plug with 2 operating nuts, making it fully compatible with vertical or wall-type indicator posts in NRS gate valve with vertical indicator post operating nut 10 inch configurations.

What mechanical design prevents debris accumulation in a straight-through bottom fire gate valve anti debris structure during operation?

Ningjin APC’s Z485 NRS gate valve utilizes a flat, straight-through bottom seat design, allowing solids and debris to pass through without settling in internal recesses. Combined with a Ductile Iron disc encapsulated in EPDM elastomer, it ensures tight shutoff. Internal sealing is provided by an EPDM Gasket and dynamic O-ring stem seals.

Is the epoxy coated ductile iron gate valve suitable for high-rise building fire suppression system gate valves factory orders?

Yes. Constructed with high-strength Ductile Iron for the Body, Cap, Platen, and Wrench Nut, the valve is rated for a 200PSI working pressure and 400PSI test pressure. Protected by epoxy coating inside and out, it operates reliably within a working temperature range of 0~80°C / 32~176°F across nominal sizes 2" to 12".

What exact raw materials are utilized in the construction of the stem, disc, body, and fasteners of the Z485 valve?

The Material List specifies Ductile Iron for the Body (1), Cap (6), Wrench Nut (9), Coupling Flange (15), and Platen (16). The Disc (2) is Ductile Iron+EPDM, and the Stem (5) is Stainless Steel 304. Bronze C95400 is used for the Stem Nut (3) and Retainer Ring (7), with EPDM used for the Gasket (4) and O-rings (8). Fasteners—including Bolts (11), Studs (12), Nuts (13), Minipads (10), Flat Washers (14), and Countersunk Head Bolts (17)—are manufactured from Steel 1045.

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