Globe Valves for Chemical Processing
Globe valves are the standard for flow regulation, throttling, and start/stop control in chemical plants — from steam and condensate to corrosive acids and reactive chemicals. Vajra Industrial Solutions supplies stainless steel, Hastelloy, and exotic alloy globe valves for chemical process service, including bellows-seal designs for zero fugitive emissions and PTFE-lined variants for aggressive acid service.
Key Applications — Globe Valves in Chemical Processing
Steam and Condensate Regulation
Carbon steel (WCB) and alloy steel (WC6) globe valves for steam pressure regulation, steam tracing control, and condensate dump service. Rising-stem handwheel allows precise flow setting. Available with integral bypass for pressure-equalising before main valve opening.
DN15–DN200, Class 150–900, WCB / WC6, ASME B16.34, BS 1873
Corrosive Chemical Isolation and Control
Stainless steel 316L globe valves for dilute acids, alkalis, and solvents. Hastelloy C-276 or Alloy 20 for concentrated sulfuric acid, hydrochloric acid, and chlorinated solvents. PTFE-lined globe valves for strongly oxidising acids (nitric, chromic acid). Full material traceability with PMI (Positive Material Identification).
DN15–DN200, Class 150–600, SS 316L / Hastelloy C-276 / Alloy 20, ASME B16.34
Bellows-Seal Globe Valves — Fugitive Emission Control
Bellows-seal globe valves replace the conventional stem packing with a metallic bellows, eliminating atmospheric emissions at the stem. Required for handling toxic, carcinogenic, or environmentally regulated chemicals (benzene, toluene, chlorinated solvents) under EU LDAR (Leak Detection and Repair) or EPA Method 21 regulations.
DN15–DN150, Class 150–600, SS 316L / WCB, EN ISO 15848-1 Class A, BS 6364
Pump Minimum Flow Bypass
Globe valves sized for continuous minimum flow bypass around centrifugal pumps. Spring-loaded self-regulating versions maintain constant flow independent of pump discharge pressure. Applicable for reactor feed pumps, boiler feed pumps, and any high-pressure pump where minimum flow protection is required.
DN15–DN50, Class 300–600, SS 316 or WCB, calculated Cv for minimum flow rate
Cryogenic Globe Valves
Extended bonnet globe valves for cryogenic chemical service (-196°C liquid nitrogen, -101°C LNG). Extended bonnet prevents the packing from reaching cryogenic temperature, maintaining packing effectiveness. Body in SS 316L or A350 LF2, live-loaded packing standard.
DN15–DN150, Class 150–600, A350 LF2 / SS 316L, -196°C rated, BS 6364
Required Certifications
Recommended Materials
Selection Factors
Technical FAQs
When is a bellows-seal globe valve required?
What material is best for sulfuric acid service in a globe valve?
Other Chemical Processing Valve Guides
Globe Valves in Other Industries
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Globe Valves for Chemical Processing
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