CRANE CHEMPHARMA & ENERGY · CONTROL VALVES
Crane ChemPharma Bellows Sealed Globe Valves Type 11.3 – Fully Flushed Bellows Design
Crane Type 11.3 bellows sealed globe valves for chemical plants. Fully flushed bellows, PN 40-160, DN 15-400. Buy from PC Engineering India.
Overview
The Crane ChemPharma Type 11.3 bellows sealed globe valve is engineered for demanding chemical process applications where zero fugitive emissions are critical. This valve features a fully flushed, multi-wall stainless steel bellows design that prevents media accumulation and ensures reliable sealing over extended service life.
Available in straight-type (G) and Y-type (S) configurations with flanged or buttweld end connections, the Type 11.3 is suitable for handling flammable, explosive, volatile, toxic, or corrosive media. The valve complies with Federal Emission Protection regulations and is designed for applications requiring strict environmental compliance.
The construction incorporates a two-part rising stem with outside roll-formed threads, a full-size safety gland packing as secondary seal, and a metal back seat that acts as both stroke limiter and bellows anti-vibration device. The bellows assembly is tested for 10,000 cycles, ensuring long-term operational reliability in continuous process environments.
Key Features
- Multi-wall, fully flushed stainless steel bellows with anti-torque device, rated for 10,000 cycles
- Full-size safety gland packing (pure graphite standard; PTFE available on request) as secondary containment
- Two-part rising stem with outside roll-formed thread and position indicator
- Metal back seat serves as stroke limiter and bellows vibration dampener
- Grooved stainless steel bonnet gasket with pure graphite coating in tongue-and-groove flanges
- Conical plug in hardened chrome steel 1.4021 or Stellite 6 armoured; body seat hardfaced with 1.4370 or Stellite 21
- Available in carbon steel (1.0619/WCB), stainless steel (1.4408/CF8M), and low-temperature steel (1.1138/LCB)
- Optional heating jacket, welded bonnet, soft sealing disc, and special corrosion-resistant materials
Specifications
| Parameter | DIN Standard | ASME Standard |
|---|---|---|
| Valve Type | Straight (G), Y-Type (S), Corner | Straight (G), Y-Type (S) |
| Nominal Size | DN 15 – DN 400 | 1/2" – 16" |
| Pressure Rating | PN 40, PN 63, PN 100, PN 160 | Class 150, 300, 600 lb |
| End Connections | Flanges (FL) per EN 1092-1, Buttweld Ends (SE) | Flanges, Buttweld Ends |
| Body Material | 1.0619 (WCB), 1.4408 (CF8M), 1.1138 (LCB) | WCB, CF8M, LCB |
| Bellows Material | 1.4571 Stainless Steel | 1.4571 Stainless Steel |
| Disc/Plug Material | 1.4021 hardened or Stellite 6 | 1.4021 hardened or Stellite 6 |
| Seat Material | 1.4370 or Stellite 21 hardfaced | 1.4370 or Stellite 21 hardfaced |
| Gland Packing | Pure graphite (PTFE on request) | Pure graphite (PTFE on request) |
| Bellows Cycle Rating | 10,000 cycles | 10,000 cycles |
Applications
Crane Type 11.3 bellows sealed globe valves are used across industries requiring emission-free valve operation and reliable shut-off in critical services:
- Chemical & Petrochemical Plants – handling toxic, corrosive, and volatile fluids - Pharmaceutical Manufacturing – high-purity process isolation - Oil & Gas Processing – flammable and hazardous media containment - Power Generation – steam and condensate systems - Fertilizer & Agrochemical Plants – ammonia, acid, and alkali service - Specialty Gas Systems – zero-leakage requirements
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Contact PC Engineering for pricing, availability, and technical support for Crane ChemPharma Type 11.3 Bellows Sealed Globe Valves. Call us or fill in our inquiry form — our engineers will respond within 24 hours.
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