Description
TECHNICAL DATA SHEET
PRODUCT: ALUMINUM BRONZE GATE VALVE, FLANGED OR THREADED ENDS
- VALVE DESCRIPTION
- Type: Gate Valve (Solid Wedge or Parallel Slide)
- Operation: Manual (Handwheel)
- Design Standard:
- Flanged: API 602 / ASME B16.34 / MSS SP-80
- Threaded: ASME B1.20.1 (NPT) / BS 21 (BSP) / MSS SP-80
- Pressure Rating: ASME 150 LB (PN 20)
- Body/Bonnet: Bolted Bonnet (BB)
- Stem Operation: Outside Screw & Yoke (OS&Y)
- Seat Design: Renewable Seat Rings (RS)
- SIZE AND CONNECTION OPTIONS
|
Parameter
|
Flanged Ends
|
Threaded Ends
|
|
Nominal Size
|
NPS ½” to 4″¹
|
NPS ½” to 2″¹
|
|
End Connection
|
ASME B16.5 Raised Face (RF)
|
NPT (ASME B1.20.1) or BSP (BS 21)
|
|
Pressure Class
|
150 LB (PN 20)
|
150 LB (PN 20)
|
*¹ Larger threaded valves (e.g., NPS 2½”) are non-standard; confirm feasibility.*
- MATERIALS OF CONSTRUCTION
|
Component
|
Material Standard
|
Grade
|
|
Body/Bonnet
|
ASTM B148
|
C95800 (Al-Bronze, 9% Al)
|
|
Gate
|
ASTM B148
|
C95800
|
|
Seat Rings
|
ASTM B148
|
C95800 (Renewable)
|
|
Stem
|
ASTM B124 / B283
|
C63000 (Al-Ni Bronze)
|
|
Stem Nut
|
ASTM B505
|
C93200 (SAE 660 Bronze)
|
|
Yoke
|
ASTM A536
|
65-45-12 Ductile Iron
|
|
Bolting
|
ASTM A193
|
B7 (Carbon Steel) / B8 (SS)²
|
|
Gasket
|
Spiral Wound
|
SS316/Graphite (Flanged)
|
|
Packing
|
Flexible Graphite or PTFE
|
–
|
*² For corrosive environments, specify SS bolting (A193 B8/B8M).*
- DESIGN FEATURES
- Ends:
- Flanged: ASME B16.5 RF drill pattern.
- Threaded: Tapered threads (NPT/BSP) with thread protectors.
- Seats: Renewable seat rings (RS) secured by retaining rings.
- Stem Seal: Adjustable gland packing (Graphite/PTFE).
- Backseat: Integral to bonnet for stem seal under pressure.
- Operation: Rotating handwheel lifts stem/gate (OS&Y design).
- TESTING & CERTIFICATION
|
Test
|
Standard
|
Pressure (Flanged)
|
Pressure (Threaded)
|
|
Shell Test
|
API 598
|
225 PSI (1.5x 150#)
|
300 PSI³
|
|
Seat Test
|
API 598
|
165 PSI (1.1x 150#)
|
165 PSI
|
|
Backseat Test
|
API 598
|
165 PSI
|
165 PSI
|
|
Leakage Class
|
API 598
|
Class IV (Metal-to-Metal)
|
|
*³ Threaded valves: Shell test pressure = 2x max working pressure (per API 598).*
- DIMENSIONS & FINISH
- Face-to-Face: ASME B16.10 (Flanged) / Manufacturer Std (Threaded).
- Flange Dimensions: ASME B16.5, 150 LB RF.
- Surface Finish:
- External: As-cast or primer-coated (RAL 5015).
- Internal: Smooth bore (Ra ≤ 3.2 μm).
- Threads: Coated with anti-galling compound.
- MARKING & PACKING
- Marking:
- Per MSS-SP-25: Size, Pressure Class, Material (e.g., “AL-BZ”), Flow Arrow, Manufacturer ID.
- Packing:
- Flanged: Wooden crate + VCI paper + flange covers.
- Threaded: Cardboard box + thread protectors.
- OPTIONS (UPON REQUEST)
- Connections: RTJ flanges, Socket Weld (SW), Buttweld (BW).
- Materials:
- Stem: Monel K500 / SS316.
- Bolting: A320 L7 (Low-Temp) / A193 B8M (SS316).
- Certifications: NACE MR0175, DNV-GL, PED 2014/68/EU.
- Accessories: Locking handwheel, position indicator, gear operator.
Key Notes for Procurement:
- Threaded Valve Limits: Max NPS 2″ for standard designs; confirm pressure derating for sizes >1″.
- Corrosion Protection: Specify SS bolting (A193 B8M) for seawater/offshore use.
- Standards: API 602 covers flanged valves ≤ NPS 4″; threaded valves follow MSS SP-80.
- Testing: Threaded valves require higher shell test pressure (see API 598 Sec 5.3).
GUATANTEE:
SAVVY VALVES is committed to delivering exceptional product quality and worry-free after-sales service. Our valves are guaranteed to provide a minimum service life of 12 months, during which we will supply all necessary spare parts and detailed maintenance instructions free of charge. Within the warranty period, if any non-human-induced damage occurs, we will replace components at no cost and provide professional technical support. After the warranty expires, customers only need to pay for the cost of spare parts, while still benefiting from discounted maintenance services. Our goal is to help clients reduce operational costs and enhance production efficiency through reliable quality and comprehensive after-sales support. Whether for technical inquiries or maintenance needs, our expert team will respond promptly to ensure your valve system maintains optimal performance at all times.