Manufacturer, Supplier & Exporter of Carbon Steel WCB Globe Valve

Carbon Steel WCB Globe Valves are essential flow control devices used in pipelines to regulate, start, and stop the flow of fluids such as water, oil, steam, gas, and other industrial media. The “WCB” refers to ASTM A216 WCB (Wrought Carbon Steel Grade B) material for the body, which offers a good balance of strength, toughness, and weldability. The globe valve design features a movable disk that moves perpendicular to the seat, allowing fine control over flow—ideal for throttling or frequent operation..

Riddhi Siddhi Impex, as a reputed manufacturer and supplier, can produce Carbon Steel WCB Globe Valves that comply with international standards (such as API 600, ASME B16.34, BS 1873, etc.). These valves would typically have various pressure‐class ratings—Class 150, 300, 600, 900, 1500, up to Class 2500—enabling usage in low to very high pressure systems. Sizes (Nominal Diameter) usually range from small (DN15 / ½”) to large (DN600 / 24” or more), with corresponding dimensions and weights adjusted per standard. The end connections are commonly flanged (e.g., RF—Raised Face, RTJ—Ring Type Joint), but socket weld or butt weld ends may also be offered.

In terms of manufacturing features, a typical WCB globe valve from Riddhi Siddhi Impex would include a bolted bonnet construction, rising stem with handwheel, outside screw & yoke (OS&Y) design, renewable and replaceable seat ring, and various disc designs (plug, solid disk, regulator disk) depending on whether the valve is for shut‐off or flow regulation. Sealing surfaces may be hardened stainless steel or coated to reduce wear. Packing is usually graphite or PTFE, with gland and bonnet nuts in compatible material (often carbon steel or alloy steel) to ensure integrity under pressure and temperature.

Temperature range for Carbon Steel WCB globe valves is generally from about –29°C up to +425°C, although some higher spec versions may endure higher temperatures depending on trim materials. The media compatibility is broad—water, steam, oils, gases—though certain corrosive environments may require suitable trim or lining to prevent degradation.

As a Domestic supplier, Riddhi Siddhi Impex would aim to serve markets in Indian metro & industrial cities such as Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Navsari, Valsad, and Rajpipla. Their logistics, stock availability, and sales support in these cities help clients minimize lead time and shipping costs.

Carbon Steel WCB Globe Valve

Specification

Product Name	Carbon Steel WCB Globe Valve
Body Material	ASTM A216 Grade WCB
Standard	API 600 / BS 1873 / ASME B16.34
Size Range	½" to 24" (DN15 to DN600)
Pressure Rating	Class 150 to Class 2500
End Connection	Flanged, Butt Weld, Socket Weld
Operation	Handwheel, Gear, Actuated

Chemical Composition (ASTM A216 WCB)

Element	Content (%)
Carbon (C)	0.20 – 0.30
Manganese (Mn)	0.60 – 1.00
Silicon (Si)	0.40 max
Phosphorus (P)	0.04 max
Sulfur (S)	0.045 max

Mechanical Properties

Property	Value
Tensile Strength	485 MPa (min)
Yield Strength	250 MPa (min)
Elongation	22% (min)
Hardness	Max 187 HB

Dimension Chart (Sample Sizes - Class 150)

Size (Inch)	Face to Face (mm)	Flange OD (mm)
2"	203	152
4"	305	229
6"	356	279
8"	495	343
12"	635	483

Equivalent Grades

Standard	Grade
ASTM	A216 WCB
EN	1.0619
DIN	GP240GH
ISO	GS-C25

Equivalent Standards

Standard	Description
API 600	Steel Gate Valves – Flanged & Butt-welding Ends
BS 1873	Specification for Globe and Stop Check Valves
ASME B16.34	Valves – Flanged, Threaded, and Welding End

Other Types of Globe Valves

Type	Description
Stainless Steel Globe Valve	Used in corrosive environments like food & pharma
Forged Steel Globe Valve	Compact and suitable for high-pressure applications
Bronze Globe Valve	Used in HVAC, water supply, and low-pressure systems
Bellow Sealed Globe Valve	Zero leakage and ideal for toxic & hazardous media

Typical applications for WCB globe valves include steam lines in power plants, feed water systems, boiler systems, chemical plants, oil refineries, petrochemical industries, water treatment facilities, and general utility systems. Because of their better shut‑off capability and throttling control compared to gate valves, they are particularly suited where frequent opening and closing, or partial flow, is required..

Frequently Asked Questions (FAQs)

Q1: What does WCB stand for in Globe Valves?

A1: WCB stands for “Wrought Carbon Steel Grade B,” as per ASTM A216 standard, used for valve bodies and bonnets.

Q2: What industries use Carbon Steel WCB Globe Valves?

A2: They are commonly used in oil & gas, power generation, steam plants, refineries, chemical processing, and water treatment systems.

Q3: Are WCB Globe Valves suitable for steam service?

A3: Yes, WCB material is widely used in steam lines due to its high-temperature resistance and mechanical strength.

Q4: Do you offer Globe Valves with IBR Certification?

A4: Yes, on request, we provide IBR-certified globe valves for Indian boiler applications as per regulations.