300PSI Resilient Wedge NRS Gate Valve - Grooved End Z85-300
Categories:
Compliance Credentials: Strictly certified to UL 260 and FM standards for high-hazard critical infrastructure
TEL：
300PSI Resilient Wedge NRS Gate Valve - Grooved End Z85-300
丨Product Description
Ningjin APC Industries offers the premium 300PSI Resilient Wedge NRS (Non-Rising Stem) Gate Valve with Grooved End, designed for exceptional flow control and reliable sealing performance. This valve features a straight-through design at the bottom, ensuring smooth flow and preventing foreign matter accumulation. It is available as a certified lead-free option, meeting rigorous global clean water standards.
- Applicable Scenarios:
Fire Protection Systems: Highly suited for outdoor and indoor fire inflow water, high-rising building firefighting systems, and industrial factory building fire protection systems. - Water Utilities: Engineered for water supply and drainage systems, as well as potable water applications.
Technical Features & Standards
This product is fully structured to meet the following verified engineering and performance standards:
- Pressure Ratings: Maximum Working Pressure of 300PSI; Maximum Testing Pressure of 600PSI. Pressure conforms directly to FM 1120 / 1130, UL 262, and ULC / ORD C262-92.
- Global Approvals: Officially approved by UL, CUL, FM, and NSF / ANSI 61 & NSF / ANSI 372.
- Certified Lead-Free: Available with certified lead-free compliance by NSF / ANSI 61 & NSF / ANSI 372.
- Connection & Dimensions: Groove Standard complies with Metric or ANSI / AWWA C606. Face-to-Face standard conforms to ASME B16.10.
- Size Range: 2" (FM approved); 2.5", 3", 4", 5", 6", 8", 10", 12" (Both FM & UL approved).
- Temperature Range: Working temperature range spans 0~80°C / 32~176°F.
- Coating Details: Finished with Epoxy or Coating upon request.
- Indicator Compatibility: All NRS gate valves are available with an operated nut installed with a vertical indicator post and wall type indicator.
Product Advantages & Materials
Every structural detail corresponds directly to the official product material list and testing data:
- Ductile Iron Structure: The valve body, bonnet, disc, gland, and operating nut are all produced with premium Ductile Iron material, providing superior strength-to-weight ratios to guarantee high quality.
- Proven Longevity: Ensures a long service life, having successfully passed a resilient seat cycling test of at least 5,000 times.
- Tight Sealing Design: Features an advanced self-sealing design between the bonnet and body, making the sealing tighter when pressure is higher within the allowable range.
- Stem Protection: The stem—constructed from Stainless Steel 304 or C95400—is protected under pressure during operation and maintenance by a multiple O-ring sealing structure, ensuring it causes no damage to the operator.
- Body Features: Equipped with an NPT plug on the body alongside 2 operating nuts.
丨Technical Features
| Parameter Item | Parameter Value |
|---|---|
| Groove Standard | Metric or ANSI / AWWA C606 |
| Face to Face Standard | ASME B16.10 |
| Sizes | 2"(FM) 2.5", 3", 4", 5", 6", 8", 10", 12" (FM UL) |
| Approvals | UL, CUL, FM, NSF / ANSI 61 & NSF / ANSI 372 |
| Maximum Working Pressure | 300PSI |
| Maximum Testing Pressure | 600PSI |
| Pressure Compliance | Pressure conforms to 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 Features | NPT plug on body with 2 operating nuts |
| Lead-free Standard | Certified lead-free by NSF / ANSI 61 & NSF / ANSI 372 is available |
丨Technical Features
| NO. | Name | Material |
|---|---|---|
| 1 | Flat Washer | Steel 1045 or Stainless Steel 304 |
| 2 | Hexagon Socket Screw | Steel 1045 or Stainless Steel 304 |
| 3 | Sealing Ring | EPDM |
| 4 | O-Ring | EPDM |
| 5 | Sealing Ring | EPDM |
| 6 | O-Ring | EPDM |
| 7 | Bonnet | Ductile Iron |
| 8 | Stem | Stainless Steel 304 or C95400 |
| 9 | Plug | Stainless Steel 304 or C95400 |
| 10 | Disc | Ductile Iron +EPDM |
| 11 | Body | Ductile Iron |
| 12 | Sealing Ring | EPDM |
| 13 | Retaining Ring | C95400 |
| 14 | Gland | Ductile Iron |
| 15 | Post Flange | Ductile Iron |
| 16 | Wrench Nut | Ductile Iron |
| 17 | Bolt | Stainless Steel 304 or Steel 1045 |
| 18 | Washer | Stainless Steel 304 or Steel 1045 |
| 19 | Hexagon Socket Screw | Steel 1045 or Stainless Steel 304 |
| 20 | Stem Nut | CF8 or C95400 |
丨Technical Features
| Size | DN | L | F | D | E | G | H |
|---|---|---|---|---|---|---|---|
| 2½" | 65 | 190 | 15.9 | 73 | 69.1 | 7.9 | 292 |
| 76.1 | 72.3 | ||||||
| 3" | 80 | 203 | 15.9 | 88.9 | 84.9 | 7.9 | 322 |
| 4" | 100 | 229 | 15.9 | 114.3 | 110.1 | 9.5 | 342 |
| 5" | 125 | 254 | 15.9 | 139.7 | 135.5 | 9.5 | 412 |
| 141.3 | 137 | ||||||
| 6" | 150 | 267 | 15.9 | 165.1 | 160.8 | 9.5 | 448 |
| 168.3 | 163.9 | ||||||
| 8" | 200 | 292 | 19 | 216.3 | 211.6 | 11.1 | 534 |
| 219.1 | 214.3 | ||||||
| 10" | 250 | 330 | 19 | 273 | 268.3 | 12.7 | 635 |
| 12" | 300 | 356 | 19 | 323.9 | 318.3 | 12.7 | 720 |
丨FAQ
📌 Which international testing certifications and pressure standards does this NRS valve comply with for commercial fire protection project approval?
A：The 300PSI Resilient Wedge NRS Gate Valve – Grooved End holds major global certifications to satisfy strict regulatory compliance. It is fully UL Listed, CUL Listed, and FM Approved. Its pressure ratings conform explicitly to FM 1120 / 1130, UL 262, and ULC / ORD C262-92 standards, supporting a maximum working pressure of 300PSI and a hydrostatic factory maximum testing pressure of 600PSI. Additionally, it features certified lead-free options compliant with NSF / ANSI 61 & NSF / ANSI 372 standards.
📌 What metallurgy and seat design features guarantee zero leakage and extended service life under continuous working pressure?
A：Engineered for extreme structural integrity, the core components of the 300PSI Resilient Wedge NRS Gate Valve – Grooved End—including the body, bonnet, gland, and operating nut—are produced entirely with premium ductile iron material for an optimal strength-to-weight ratio. The sealing structure relies on a ductile iron disc combined with EPDM (Ductile Iron + EPDM) to form a resilient seat that has passed an extensive endurance cycling test of at least 5000 times. An advanced pressure-responsive self-sealing design between the bonnet and body dynamically increases tightness as internal fluid pressure rises within the allowable range.
📌 What are the exact groove end connection standards and available size specifications for pipeline integration?
A：To ensure hassle-free integration into diverse global fluid infrastructure, the end connection groove standard for the 300PSI Resilient Wedge NRS Gate Valve – Grooved End complies with either Metric or ANSI / AWWA C606 roll groove criteria. The face-to-face installation dimensions adhere strictly to the ASME B16.10 standard. The available sizing spectrum ranges from a 2" (FM approved) model up to larger 2.5", 3", 4", 5", 6", 8", 10", and 12" variants, which carry both FM and UL approvals.
📌 In which specific facility layouts and water systems can this non-rising stem gate valve be deployed?
A：The 300PSI Resilient Wedge NRS Gate Valve – Grooved End is purposely specified for a versatile range of critical layouts. It is engineered for outdoor and indoor fire inflow water infrastructure, municipal or industrial water supply and drainage networks, high-rising building fire fighting systems, and industrial factory building fire protection systems. Due to its NSF / ANSI 61 and 372 certified lead-free availability, it is fully suitable for clean potable water installations.
📌 How does the non-rising stem design accommodate external positioning indicators, and what safety mechanisms protect operators during inline servicing?
A：For clear physical system mapping, all versions of the 300PSI Resilient Wedge NRS Gate Valve – Grooved End are available with an operated nut configured for vertical indicator post and wall type indicator installation. For operator protection, a multiple O-ring sealing structure surrounds the high-tensile stem (constructed from Stainless Steel 304 or C95400), sealing off pressure during operation and maintenance to prevent bodily harm. The design also incorporates an integrated NPT plug on the main body working alongside 2 operating nuts.
Product message
Related products
APC Industries
Mobile website
Add WeChat chat
CONTACT US
Add：No. 18 Taishan Road, Ningjin County, Shandong Province P.R.China
Mobile：+8618600252968
WeChat：cuiyuying01
E-Mail：
