4MATIC 4M-TOB Triple Offset Metal-Seated Fire-Safe Butterfly Valve is an industrial spare component used for High-pressure superheated steam boiler isolation and steam distribution headers. STARNEX Industrial Spares supplies and sources 4MATIC spare parts for maintenance engineers, plant operators, and procurement teams in Kenya and East Africa. Before ordering, verify the manufacturer part number (MPN), voltage/pressure specifications, and equipment compatibility.
4MATIC 4M-TOB Triple Offset Metal-Seated Fire-Safe Butterfly Valve
4MATIC 4M-TOB Triple Offset Metal-Seated Fire-Safe Butterfly Valve is an industrial spare component used for High-pressure superheated steam boiler isolation and steam distribution headers. STARNEX Industrial Spares supplies and sources 4MATIC spare parts for maintenance engineers, plant operators, and procurement teams in Kenya and East Africa. Before ordering, verify the manufacturer part number (MPN), voltage/pressure specifications, and equipment compatibility.
Functional engineering application
The 4MATIC 4M-TOB Triple Offset Metal-Seated Fire-Safe Butterfly Valve (MPN: 4M-TOB) is built for continuous-duty industrial piping, holding pressure, temperature, and cycling loads in factory installations across Kenya and East Africa.
Quotation & fulfilment
Parametric technical attributes
| 4MATIC 4M-TOB | |
| IDENTIFICATION | |
| Component Type | 4MATIC 4M-TOB Triple Offset Metal-Seated Fire-Safe Butterfly Valve |
| Manufacturer / Brand | 4MATIC |
| Part Number (MPN) | 4M-TOB |
| Stock Keeping Unit (SKU) | STX-4M-4MTOB |
| TECHNICAL PARAMETERS | |
| Manufacturer | 4MATIC Global Valve Automation (India) |
| Model / MPN | 4M-TOB |
| Valve Technology | Triple Eccentric (Triple Offset) Non-Rubbing Cam Action |
| Body Styles Available | Wafer, Lugged, or Double Flanged Long/Short Pattern |
| Stem Construction | High-Strength 17-4PH / AISI 316 One-Piece Blowout-Proof Stem |
| Shutoff Tightness | Bi-directional Zero Leakage to API 598 / ISO 5208 Rate A |
| Actuation Compatibility | Worm Gearbox, Pneumatic Rack-and-Pinion/Scotch-Yoke, Electric Motor |
| CONSTRUCTION & CONNECTION | |
| Size Range | DN 80 to DN 1200 (3" to 48" Nominal Bore) |
| Body Material Options | Cast Carbon Steel ASTM A216 WCB / Stainless Steel ASTM A351 CF8M |
| Disc Material | Cast Stainless Steel ASTM A351 CF8M / CF8 |
| Seat & Seal Ring | Laminated AISI 316 Stainless Steel & Flexible Graphite (Stellite Trim) |
| COMPLIANCE & STANDARDS | |
| Design Standards | API 609 Category B / ASME B16.34 / BS EN ISO 10631 |
| Fire-Safe Certification | API 607 7th Edition / ISO 10497 Fire-Safe Tested & Certified |
| PERFORMANCE & RATINGS | |
| Pressure Classes | ASME Class 150 (PN 20), Class 300 (PN 50), Class 600 (PN 100) |
| Operating Temperature Limits | -50°C to +450°C Standard (Cryogenic -196°C to +600°C Custom) |
| COMPLIANCE & LOGISTICS | |
| Stock Availability | In Stock — Enterprise Rd, Nairobi |
| KRA Tax Status | Official KRA E-TIMS Tax Invoice Available |
System fitment & verified replacements
Verified interchangeable models
Commonly installed on equipment from
Common questions on this part
The first and second offsets position the shaft behind the seat and off-center. The third offset tilts the axis of the conical sealing surface away from the pipe axis. This creates an elliptical sealing cone that allows the disc to contact the seat only at the exact point of closure, eliminating all rotational friction and sliding wear.
Yes. A 4M-TOB valve provides equal or superior zero-leakage shutoff at high temperatures, but weighs up to 70% less and occupies only a fraction of the pipeline length, saving substantial piping support structure and insulation costs.
STARNEX provides technical engineering sizing, fire-safe cert verification, and imports 4MATIC triple offset valves on order. Official KRA E-TIMS tax invoices and factory test certs (EN 10204 3.1) are standard.
