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Valves & Fittings
OS&Y Gate Valves
Resilient wedge outside-screw & yoke gate valves — flanged, grooved, flanged × grooved
UL/FM resilient wedge OS&Y gate valves with ductile iron body and EPDM-encapsulated wedge in 200 PSI and 300 PSI ratings, with tamper-resistant handwheel nuts for seamless tamper switch installation.
Performance
200 / 300 PSI
Sizes
2"–12" (14"–24" flanged)
Max. Working Pressure
200 / 300 PSI
Max. Testing Pressure
400 / 600 PSI
Performance Range
200 / 300 PSI
Model Range
| Model | Rating | End Connection |
|---|---|---|
| Z41 / Z81 / Z481 | 200 PSI | Flanged / Grooved / Flanged × Grooved |
| Z41-300 / Z81-300 / Z481-300 | 300 PSI | Flanged / Grooved / Flanged × Grooved |
| Z41-300A / Z81-300A / Z481-300A | 300 PSI (AWWA C515) | Flanged / Grooved / Flanged × Grooved |
Model numbers, performance data and approvals are reproduced from the manufacturer reference catalog. Availability, country-specific approvals and exact configuration must be confirmed against OEM documentation before quotation. Manufacturer certifications are not certifications issued to AMKRON.
Technical Specifications
Sizes
2"–12" (14"–24" flanged)
Max. Working Pressure
200 / 300 PSI
Max. Testing Pressure
400 / 600 PSI
Standards
ANSI/AWWA C515 · FM 1120/1130 · UL 262 · ULC/ORD C262-92
Flange
ASME B16.1 Cl.125, B16.42 Cl.150, EN 1092-2 PN16, GB/T9113.1
Approvals
UL, CUL, FM, NSF/ANSI 61 & 372, VDS, CCC
Temperature
0–80°C / 32–176°F
Key Features
Ductile iron body, bonnet, disc and gland
Long service life with resilient seat cycle tested 5000+ times
Straight-through bottom, no foreign matter trap
Self-sealing bonnet-to-body joint; multiple O-ring stem sealing
Epoxy coated; lead-free versions available
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