3-Piece Trunnion Ball Valve 8″-150LB

Valve Type Three-Piece Trunnion Mounted Ball Valve
Body Type Three-Piece Bolted Body (Split Body)
Ball Support Trunnion Mounted (Fixed Ball)
End Connection Flanged, Raised Face (RF)
Nominal Size NPS 8 (DN200)
Pressure Class Class 150
Body Material A105 (Carbon Steel)
Service Medium Water / Oil / Gas / General Purpose
Operation Gearbox with Handwheel (Std.) / Actuator ready

Description

TECHNICAL DATA SHEET

Three-Piece Trunnion Mounted Ball Valve

BASIC VALVE INFORMATION

Item	Specification
Valve Type	Three-Piece Trunnion Mounted Ball Valve
Body Type	Three-Piece Bolted Body (Split Body)
Ball Support	Trunnion Mounted (Fixed Ball)
End Connection	Flanged, Raised Face (RF)
Nominal Size	NPS 8 (DN200)
Pressure Class	Class 150
Body Material	A105 (Carbon Steel)
Service Medium	Water / Oil / Gas / General Purpose
Operation	Gearbox with Handwheel (Std.) / Actuator ready

APPLICABLE CODES & STANDARDS

Standard	Description
API 6D	Specification for Pipeline and Piping Valves
ASME B16.34	Valve Flanged, Threaded, and Welding End Dimensions
ASME B16.5	Pipe Flanges and Flanged Fittings (Class 150 RF)
ASME B16.10	Face-to-Face and End-to-End Dimensions of Valves
API 598 / ISO 5208	Valve Inspection and Testing
NACE MR0175 / ISO 15156	Option: Sour Service (if required)
API 607 / ISO 10497	Option: Fire Safe Design (if required)
ISO 5211	Actuator Mounting Pad Dimensions

MATERIALS OF CONSTRUCTION

Component	Material	Standard / Remarks
Body	A105	Carbon steel, forged
End Connectors	A105	Flanged ends, integral or welded
Ball	A105 + Chrome Plating / A182 F304/F316	Stainless steel / Hard chrome plated carbon steel
Seat	PTFE / Reinforced PTFE / Devlon	Self-lubricating, low torque
Stem	A182 F6a / 17-4PH / A182 F304	Stainless steel, anti-blowout design
Trunnion	A105 / Stainless Steel	Fixed support, double axial bearings
Body Seals	O-Ring (NBR/Viton) + Spiral Wound Gasket	Leak-proof design
Thrust Bearings	Stainless Steel + PTFE	Low friction, high load capacity
Bolting	A193 B7 / A194 2H	Stud bolts with heavy hex nuts

DESIGN & PERFORMANCE CHARACTERISTICS

Parameter	Specification
Pressure Class	Class 150
Max. Allowable Working Pressure	Per ASME B16.34, A105 @ 38°C: 285 psi (19.6 bar)
Design Temperature Range	-29°C to +200°C (-20°F to +400°F) (Seat material dependent)
Seat Leakage Rate	API 598 / ISO 5208 Rate A (Zero leakage)
Cavity Pressure Relief	Automatic relief via seat design (upstream/downstream)
Anti-Static Device	Springs between ball/stem and body – per API 6D
Blowout-Proof Stem	Internally inserted, retained by shoulder
Fire Safe Design	Optional per API 607 / ISO 10497
Double Block & Bleed (DBB)	Yes, per API 6D
Locking Device	Provided on gearbox / lever

DIMENSIONS & CONNECTIONS

Item	Dimension (inch / mm)
Flange Size & Type	8″ Class 150 RF per ASME B16.5
Face-to-Face Length	Per ASME B16.10 / API 6D – RF: 280 mm (11.02″)
Flange Drilling	ASME B16.5, 8″ 150LB – 8 bolt holes, 0.75″ dia.
Flange Raised Face Height	0.06″ (1.6 mm)
Ball Bore Diameter	Full bore / Standard bore (as per design)
Stem Diameter	Per ISO 5211 actuator mounting
Gearbox Type	Worm gear with handwheel, locking device
Approx. Weight	Approx. 80–100 kg (manufacturer dependent)

TESTING & INSPECTION

Test	Standard / Requirement
Shell Test	API 598 / ISO 5208 – 1.5 x Rated Pressure
Seat Test (Low Pressure)	80 psi (5.5 bar) – Zero leakage
Seat Test (High Pressure)	1.1 x Rated Pressure – Zero leakage
Cavity Relief Test	Per API 6D
NDE Requirements	Visual, dimensional, PMI on A105 (optional)
Coating / Painting	Epoxy coating, color blue/silver (or as per spec)

SPECIAL REQUIREMENTS & REMARKS

Three-Piece Body Design

Body consists of center body + two end flanges, bolted together.
Allows easy maintenance, seat and ball replacement without removing valve from pipeline.

Trunnion Mounted Ball

Ball is fixed by trunnion shaft at bottom and top.
Suitable for low torque, high pressure, and large size applications.
Reduces seat wear and operating torque.

Material Traceability

All A105 pressure parts shall have full material traceability per EN 10204 3.1 or ASTM A105 certs.

NACE Compliance (Optional)

If sour service required, NACE MR0175 / ISO 15156 compliant materials to be used.

Actuator Mounting

ISO 5211 top flange prepared for future actuator mounting.
Stem extension provided for insulation (if required).

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.

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