ANSI Resilient Seated Gate Valve

Valve Type Resilient Seated Gate Valve
Stem Type Non-Rising Stem (NRS)
End Connection Flanged, Raised Face (RF) / Flat Face (FF)
Nominal Size NPS 2″ – 12″ (DN50 – DN300)
Pressure Rating Class 125 / Class 150
Body Material Ductile Iron / Cast Iron
Operation Handwheel / T-Key / Bevel Gear
Service Medium Water / Oil / Gas / General Purpose

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Beschrijving

TECHNICAL DATA SHEET

American Standard Resilient Seated Non-Rising Stem Gate Valve

BASIC VALVE INFORMATION

Item	Specificatie
Kleptype	Resilient Seated Gate Valve
Stem Type	Non-Rising Stem (NRS)
End Connection	Flanged, Raised Face (RF) / Flat Face (FF)
Nominale grootte	NPS 2″ – 12″ (DN50 – DN300)
Drukclassificatie	Class 125 / Class 150
Lichaamsmateriaal	Ductile Iron / Cast Iron
Operatie	Handwheel / T-Key / Bevel Gear
Service Medium	Water / Oil / Gas / General Purpose

APPLICABLE CODES & STANDARDS

Standaard	Beschrijving
AWWA C509	Resilient-Seated Gate Valves for Water Supply Service
ASME B16.1	Gray Iron Pipe Flanges and Flanged Fittings (Class 25, 125, 250)
ASME B16.42	Ductile Iron Pipe Flanges and Flanged Fittings (Class 150)
ASME B16.10	Face-to-Face and End-to-End Dimensions of Valves
ASME B16.5	Pipe Flanges and Flanged Fittings (for Class 150 carbon steel options)
AWWA C111 / A21.11	Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings
API 598 / ISO 5208	Valve Inspection and Testing
AWWA C550	Protective Interior Coatings for Valves and Hydrants
NSF/ANSI 61	Drinking Water System Components – Health Effects
NSF/ANSI 372	Drinking Water System Components – Lead Content

MATERIALS OF CONSTRUCTION

Onderdeel	Materiaal	Standard / Remarks
Lichaam	Nodulair gietijzer / Gray Iron	ASTM A536 65-45-12 / ASTM A126 Class B
Bonnet / Cover	Ductile Iron / Gray Iron	Same as body material
Gate / Wedge	Ductile Iron + Fully Encapsulated EPDM/NBR	100% rubber covered, injection molded
Stang	Stainless Steel	ASTM A276 Type 304/316 / AISI 420/431
Stem Nut / Yoke Nut	Bronze / Ductile Iron	ASTM B62 C83600 / High strength
Wedge Nut	Stainless Steel / Bronze	AISI 304 / C95200
Seat (Body)	Integral / EPDM bonded	Rubber molded to body
O-Rings / Seals	EPDM / NBR	3 O-rings on stem for blowout proof sealing
Gasket (Bonnet)	O-Ring type / Self-sealing	Pressure energized design
Bolting / Nuts	Carbon Steel / Stainless Steel	ASTM A307 B / AISI 316
Gland Bolts	Stainless Steel	AISI 316
Coating	Fusion Bonded Epoxy (FBE)	Internal & external, AWWA C550 compliant
Handwheel	Nodulair gietijzer	With direction indicator (open/close)
NPT Plug	Malleable Iron / Stainless Steel	Body drain/tap plug

DESIGN & PERFORMANCE CHARACTERISTICS

Parameter	Specificatie
Pressure Class	Class 125 / Class 150
Working Pressure	200 psig (13.8 bar) for NPS 3″-12″ (per AWWA C509)
Shell Test Pressure	1.5 x Working Pressure (300 psig / 20.7 bar)
Seat Test Pressure	1.1 x Working Pressure (220 psig / 15.2 bar)
Low Pressure Seat Test	80 psi (5.5 bar) – Zero leakage
Design Temperature Range	33°F to 125°F (0.6°C to 52°C) per AWWA C509
Max. Flow Velocity	16 ft/sec (4.9 m/sec) when fully open
Leakage Rate	Zero leakage (Rate A per API 598 / ISO 5208)
Operation Torque	Low torque design (≤80% of standard requirement)
Stem Sealing	3 O-rings + Wiper ring – blowout proof, no external leakage
Direction of Closing	Clockwise to close (handwheel)
Position Indication	Visual indicator on stem / handwheel (open/close)

DIMENSIONS & CONNECTIONS

Item	Dimension (inch / mm)
Flange Standard	ASME B16.1 Class 125 (Gray Iron) ASME B16.42 Class 150 (Ductile Iron)
Flange Drilling	Per ASME B16.1 / B16.42 – Standard Class 125/150 drilling
Face-to-Face Length	ASME B16.10 (Short pattern / Long pattern as specified)
Flange Face	Raised Face (RF) or Flat Face (FF)
Waterway Diameter	Full bore, no recess – flat bottom design to prevent debris accumulation
Stem Diameter	Per AWWA C509 minimum requirements
Handwheel Diameter	As per torque requirements
Approx. Weight	_____ lbs / kg (depending on size)

TESTING & INSPECTION

Test	Standard / Requirement
Shell Test	API 598 / ISO 5208 – 1.5 x Rated Pressure – No visible leakage
Seat Test (High Pressure)	1.1 x Rated Pressure – Zero leakage
Seat Test (Low Pressure)	80 psi (5.5 bar) – Zero leakage
Stem Seal Test	Visual inspection during operation – No leakage
Coating Test	Holiday detection, thickness measurement (250–400 microns)
Material Certification	Mill certificates / EN 10204 3.1 (if required)
NSF/ANSI 61 & 372	For potable water applications
UL/FM Approval	Optional for fire protection service

SPECIAL REQUIREMENTS & REMARKS

AWWA C509 Compliance

Valve design, materials, and testing fully comply with AWWA C509 standard for water supply service .
Suitable for NPS 3″ through 12″ sizes with 200 psig working pressure .

Resilient Seated Design

Gate is fully encapsulated with EPDM/NBR rubber using injection molding process .
No exposed metal on gate – ensures 100% bubble-tight shut-off.
Rubber bonded to ductile iron – no delamination, long service life.

Non-Rising Stem (NRS)

Stem does not rise when valve opens/closes.
Suitable for buried service or limited space installations.
Stem threads isolated from line media – no corrosion or fouling.

Flat Bottom Design

Valve body has no recess or groove at bottom – flat design prevents debris accumulation .
Self-cleaning action during operation.

Anti-Corrosion Coating

Fusion Bonded Epoxy (FBE) coating inside and out per AWWA C550 .
Certified for potable water (NSF/ANSI 61).
Color: Blue (RAL 5012) / Black / Custom.

Blowout-Proof Stem

Stem retained by shoulder inside body.
Triple O-ring sealing – no external leakage, low operating torque .

Zero Leakage Performance

Resilient seat design ensures tight shut-off even with debris.
Bidirectional sealing capability.

Optional Features

UL/FM Approved for fire protection service .
T-Key operation for buried service.
Extension spindle for deep burial.
Position indicator / opening limiter.
Gear operator for larger sizes.

SIZE CHART – DIMENSIONS (Reference)

NPS (inch)	DN (mm)	L (Face-to-Face) – ASME B16.10	H (Approx.)	Handwheel Dia.	Weight (Approx.)
2″	50	178 mm (7.00″)	___ mm	___ mm	___ kg
2½”	65	190 mm (7.50″)	___ mm	___ mm	___ kg
3″	80	203 mm (8.00″)	___ mm	___ mm	___ kg
4″	100	229 mm (9.00″)	___ mm	___ mm	___ kg
6″	150	267 mm (10.50″)	___ mm	___ mm	___ kg
8″	200	292 mm (11.50″)	___ mm	___ mm	___ kg
10″	250	330 mm (13.00″)	___ mm	___ mm	___ kg
12″	300	356 mm (14.00″)	___ mm	___ mm	___ kg

Note: Dimensions are for reference only. Please consult manufacturer for certified dimensional drawings.

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