300PSI Resilient Wedge OS & Y Gate Valve - Flanged End Z41-300

Model: Z41-300

Categories:

Gate Valve

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

Resilient Wedge os&Y Gate valve-Flanged End

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300PSI Resilient Wedge OS & Y Gate Valve - Flanged End Z41-300

Product Description

The APC Industrie Z-300 is a 300 PSI OS&Y gate valve certified by UL/cUL, FM, VDS, CCC, and NSF/ANSI 61 & 372. Built to ANSI/AWWA C515 and ASME B16.10, it features a ductile iron body and EPDM-encapsulated wedge for zero-leakage, bi-directional sealing.

With a debris-free, straight-through design, it has passed 5,000+ seat cycling tests. Features like a pre-grooved stainless steel stem and tamper-resistant nuts allow easy switch installation. It offers top-tier quality at 1/3 the cost of Western brands.

300 PSI Working Pressure

UL / FM / VDS Global Certifications

1/3 COST Vs Western Brands

Technical Features

Technical Features	Details
Brand	Ningjin APC Industries
Model	Z-300
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
Face to Face Standard	ASME B 16.10
Sizes	2" (FM); 2.5", 3", 4", 5", 6", 8", 10", 12" (FM UL); 14", 16", 18", 20", 24"
Approvals	UL, cUL, FM, NSF / ANSI 61 & NSF / ANSI 372, VDS, CCC
Maximum Working Pressure	300PSI
Maximum Testing Pressure	600 PSI
Pressure Conformance	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 Plug	NPT plug on body with 2 operating nuts
Lead-Free Certification	Certified lead-free by NSF / ANSI 61 & NSF / ANSI 372 is available
Body Material	Ductile Iron ASTM A536
Wedge Material	Ductile Iron EPDM Encapsulated
Stem Type	OS&Y (Rising Stem) / Stainless Steel
Suitable Medium	Water, Fire Protection Water Systems

*300PSI Resilient Wedge OS&Y Flanged End Gate Valve - Cross Section View*

Dimensions

Size	DN	L	D	H
2½"	65	190	178	370
3"	80	203	191	420
4"	100	229	229	447
5"	125	254	254	547
6"	150	267	279	607
8"	200	292	343	754
10"	250	330	406	890
12"	300	356	483	1031

Materials & Standard List

NO.	Name	Material	Standard
1	Gasket	C95400	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	Steel 1045	Bolt / Stainless Steel 304 / ASTM A276
8	Gland	Ductile Iron	ASTM A536 Grade 65-45-12
9	Nut	Steel 1045	Nut / Stainless Steel 304 / ASTM A276
10	Flat Washer	Steel 1045	Flat Washer / Stainless Steel 304 / ASTM A276
11	Bolt	Steel 1045	Bolt / Stainless Steel 304 / ASTM A276
12	Handwheel	Ductile Iron	ASTM A536 Grade 65-45-12
13	Lock Nut	C95400	ASTM B148
14	Locating Screw	Stainless Steel 304	ASTM A276
15	Stem	Stainless Steel 304	ASTM A276
16	Stem Nut	C95400	ASTM B148
17	Plug	C95400	ASTM B148
18	Lifting Nut	CF8	ASTM A351
19	Pin	Stainless Steel 304	ASTM A276
20	Sealing Ring	EPDM	ASTM D2000

Resilient Wedge OS&Y Flanged End Gate Valve FAQ

Q1: Which international manufacturing standards and certifications does this gate valve hold?

A: The Ningjin APC Industries Z-300 is engineered for fully compliant installation across highly regulated fire protection and water infrastructure channels globally.

Regulatory Approvals: It holds premium regulatory approvals including NSF, UL/cUL, FM, VdS, CCC and CE for specialized firefighting configurations. Additionally, it is certified lead-free under NSF / ANSI 61 & NSF / ANSI 372, making it safe for municipal and potable water lines.

Design Standards: The valve completely conforms to ANSI / AWWA C515 and ASME B16.10 (Face to Face) manufacturing benchmarks, ensuring unified layout compatibility in international projects.

Q2: What are the pressure ratings, temperature limits, and heavy-duty structural advantages?

A: This resilient wedge gate valve integrates specialized hydraulic and sealing enhancements to tackle high-pressure mechanical wear:

• Pressure & Temperature Ratings: Features a Maximum Working Pressure of 300 PSI, a Maximum Testing Pressure of 600 PSI (conforming to FM 1120/1130 and UL 262), and a Working Temperature Range of 0~80°C / 32~176°F.

• Debris-Free Flow: The bottom utilizes a true straight-through design without a lower recess pocket, preventing foreign matter accumulation and ensuring zero-leakage, reliable bi-directional sealing.

• Material Integrity: Primary pressure-retaining components (Body, Bonnet, Disc, Gland) are made of premium Ductile Iron ASTM A536, with the wedge fully EPDM-encapsulated.

• Proven Endurance: Successfully passed resilient seat cycling durability tests for at least 5,000+ times without sealing degradation.

Q3: Does the valve support tamper switch installation and real-time status monitoring?

A: Yes. For fire protection systems requiring real-time status tracking, all OS&Y (Rising Stem) gate valves feature a pre-grooved stainless steel stem (SS304/ASTM A276) alongside tamper-resistant handwheel nuts. This allows easy and direct tamper switch installation without any field modifications. For non-rising stem (NRS) setups, an operating nut is available to support vertical indicator posts and wall-type indicators.

Q4: What sets APC's R&D, testing standards, and manufacturing reliability apart from competitors?

A: Ningjin APC Industries (Meihua Industries) utilized a rigorous, multi-generation engineering approach to ensure maximum reliability under extreme conditions. During development, the engineering team executed 4 generations of complete design schema overhauls. The final product successfully withstood over 30,000 rigorous bench-scale pressure endurance cycles and comfortably triumphed over 40+ brutal international laboratory tests, proving its capability to handle a 4.2 MPa rated working pressure and up to 6.3 MPa transient water hammer impacts.

Q5: How does APC’s certification speed compare to global competitors?

A: In the fire protection industry, getting certified determines market readiness. While major domestic competitors often stall for 8 to 11 years without passing, and top-tier Euro-American brands average 28 to 36 months for new category approvals, APC completed its primary project in just 21 months, securing both FM and UL certifications simultaneously on the first attempt. Having mastered the underlying elastomer sealing logic and high-pressure metallurgy, APC can now fast-track subsequent gate valves, deluge valves, and check valves through the UL/FM approval process in just 4 to 8 months.

Q6: What commercial advantages does APC offer to international procurement officers and EPC contractors?

A: Partnering with Ningjin APC Industries delivers immediate commercial benefits for high-specification engineering projects across highly regulated markets, including North America and the Middle East (GCC region):

1. 1/3 the Procurement Cost: APC delivers the exact same hydraulic performance and strict international compliance as premium Euro-American imported brands, but at one-third (1/3) of the procurement cost.

2. Premium Market Access: Because every valve carries fully verified UL listings and FM approvals, they easily clear strict regulatory barriers and technical audits by fire safety consultants.

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