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Bolted Bonnet Globe Valve

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MOQ : 5 Units

Bolted Bonnet Globe Valve Specification

Sealing
Metal-to-Metal / PTFE / Graphite

Connection
Flanged Ends (ANSI B16.5/BS/DIN)

Material
Carbon Steel / Stainless Steel / Alloy Steel

Power
Manual (Handwheel Operated)

Pressure
Class 150 to 600 (PN16 to PN100)

Media
Water, Oil, Gas, Steam (Non-Corrosive/Corrosive Media)

Working Temperature
-20C to 425C

Port Size
1/2 to 12 (DN15 to DN300)

Surface
Shot Blasted / Painted

Shape
Straight Pattern

Application
Industrial Pipelines, Refineries, Petrochemical Plants, Oil & Gas, Power Plants

Color
Silver (Metallic Grey)

Packaging
Wooden Crate / Export Standard

Operation
Handwheel operated

Face to Face Standard
ASME B16.10

Stem Type
Rising or Non-rising Stem

Seat Test Pressure
1.1 times design pressure

Trim Material
SS 410 / SS 304 / SS 316

Design Standard
BS 1873 / API 602 / ASME B16.34

Bonnet Type
Bolted Bonnet

Leakage Class
API 598

Body Test Pressure
1.5 times design pressure

End Connections
Flanged ANSI B16.5, Butt Weld, Socket Weld

Bolted Bonnet Globe Valve Trade Information

Minimum Order Quantity
5 Units

Supply Ability
200 Units Per Month

Delivery Time
7 Days

About Bolted Bonnet Globe Valve

Bolted Bonnet Globe Valve

The BS 1873 Globe Valves is exceptionally sturdy, rugged and durable, with a reputation for quality, integrity and long service.

They are designed for tight sealing and ease of operation. The valves are available flanged & butt-weld ends in pressure rating from ASME Class 150 to Class 2500, and in a variety of materials of construction.

Globe Valves feature a ball-type disc, outside screw-and-yoke and bolted-bonnet construction. They conform to BS 1873 and also meet the general requirements of API 600, including shell wall thickness and stuffing box dimensions.

The Bolted Bonnet Globe Valve is a heavy duty valve which can work with high functionality. This is a highly efficient valve, which allows for smooth operation and simple throttling. This is a hand wheel operated as well as gear functioned valve, which allows for moderate control as well as simple regulation of fluid. Bolted Bonnet Globe Valve, supplied by SQK Valves Fittings & Automation Private Limited, has a strong and leak-proof bolted body of longer disc, and advanced body life. It allows for tight shutoff.

Main features

Bolted body-bonnet design,seal welded & Valves with pressure seal bonnet

Bellows-sealed Globe valves available

Bolted body-bonnet joints provided with spiral-wound stainless steel gasket and graphite filler for maximum protection against leaks

Die-formed graphite inner packing rings and braided graphite end rings with Inconel wire reinforcement and corrosion inhibitor

Rolled ACME thread on stem for smooth operation

Tapered shoulder on the stem for back seating

Self-aligning type gland assembly with stud-and-nut tightening

Integral hard-faced body seat for globe and check valves

Spring-loaded disc on check valves suitable for no horizontal applications too

Gate and globe valves can be offered with electrical actuators

Austenitic SS forging for body and bonnet of Cryogenic valves, resulting in excellent impact strength, minimal heat loss and resistance to corrosion

Valves can be offered to NACE MR-0175 and other special NACE requirements

Cast steel ASME B16.34 T Type & Y Type Globe Valves Pressure Seal Bonnet design

The ASME B16.34 series of T Type & Y Type Globe Valves features a pressure seal bonnet design for high pressure services. These valves are extensively used in high pressure and high temperature steam, oil, gas, chemical and water applications in thermal power plants, fertiliser plants, petrochemical plants and refineries. These valves are available in butt weld ends in pressure ratings of Classes 900, 1500 and 2500, and come in carbon steel and alloy steel construction.

Cast Steel Cryogenic Globe Valves

Specially-adopted, extended-bonnet globe valves provide the right solution for such low-temperature and cryogenic services. We offer a range of globe valves (as well as check valves) for low temperature and cryogenic services, used in processing, storage and transportation of liquefied gases such as Ethylene, LPG,LNG, Hydrogen, Helium, Oxygen, Nitrogen and Argon. Low temperature services of up to -460 C are covered by low-temperature carbon steels like LCB and LCC materials. Cryogenic Globe Valves are available in ASME Classes 150 to 1500. Extended Bonnet Optional extended bonnet with vapour column length according to BS 6364 and / or customer specifications will be provided

Precision Engineering for Critical Operations

This globe valve is manufactured to stringent standards: ASME B16.10 for face-to-face dimensions, BS 1873 or API 602, and ASME B16.34 for design consistency. Its test pressures exceed operational ratings for enhanced reliability, and it meets API 598 leakage standards, ensuring tight shut-off critical to industrial processes.

Versatile Media Handling and Robust Materials

Suited for a broad spectrum of mediaincluding water, oil, gas, and steamthe valve is constructed from durable carbon steel, stainless steel, or alloy steel. Its trims come in SS 410, SS 304, or SS 316, guaranteeing resistance to various industrial environments and enhancing service life even under severe conditions.

FAQs of Bolted Bonnet Globe Valve:

Q: How is the bolted bonnet globe valve installed for optimal performance?

A: Installation should be carried out as per ASME B16.10 face-to-face standards, ensuring correct alignment with pipeline flanges (ANSI B16.5), butt welds, or socket welds. Proper installation maintains pressure integrity and avoids misalignment, which can affect valve operation and lifespan.

Q: What media can be safely handled by this valve model?

A: This valve efficiently manages a wide variety of media, including water, oil, gas, and steam, whether the fluids are corrosive or non-corrosive. The material selection for the body and trim further ensures compatibility across such different applications.

Q: When is it recommended to use a globe valve over other valve types?

A: Globe valves are ideal when precise throttling or flow regulation is needed in addition to shut-off, particularly in industries such as petrochemicals, refineries, power plants, and other demanding environments where control and tight sealing are required.

Q: Where is the bolted bonnet globe valve commonly applied?

A: This valve is primarily used in industrial pipelines, refineries, petrochemical plants, oil & gas fields, and power plants, especially in applications demanding high reliability, precise flow regulation, and safe isolation under varying pressure and temperature conditions.

Q: What is the testing process for these globe valves before shipment?

A: Each valve undergoes a rigorous body test at 1.5 times the design pressure and a seat test at 1.1 times the design pressure as per relevant standards. Leakage performance is verified following API 598 requirements to ensure operational reliability.

Q: How does the handwheel operation enhance valve usability?

A: The handwheel mechanism allows for manual control, providing operators with direct feedback and smooth, precise adjustment of the flow. This is especially advantageous for applications where automated operation is unnecessary or greater control feedback is desired.

Q: What are the key benefits of using a bolted bonnet globe valve with these features?

A: Key advantages include robust design, versatility in media compatibility, enhanced sealing via metal-to-metal, PTFE, or graphite options, and ease of maintenance due to the bolted bonnet structure. These qualities ensure long service life, operational safety, and compliance with global standards.

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