Victaulic Vic-300 MasterSeal Series 761 Butterfly Valve, 4″ (114.3 mm), 300 psi

4″ Victaulic Vic-300 MasterSeal Series 761 grooved butterfly valve for 114.3 mm OD pipe. Full vacuum to 300 psi, bi-directional dead-end service at full pressure, ISO 5211 top.
Key features
- Series: 761 (Vic-300 MasterSeal)
- Body configuration: Grooved ends
- Series
- 761 (Vic-300 MasterSeal)
- Body configuration
- Grooved ends
- Sanitary / FDA service
- no
- Size range
- 4″ (114.3 mm pipe OD)
- Maximum working pressure
- Full vacuum to 300 psi / 2100 kPa / 21 bar
- Operating temperature range
- EPDM: −30°F to +230°F; nitrile: +10°F to +150°F; fluoroelastomer: +20°F to +300°F
Product description
The Victaulic Vic-300 MasterSeal Series 761 is a grooved-end butterfly valve rated from full vacuum up to 300 psi (2100 kPa / 21 bar), with full working pressure for bi-directional, dead-end service. It connects with Victaulic grooved couplings and has an ISO 5211 mounting flange for direct actuator mounting. This page covers the 4″ size, for 4.500″ (114.3 mm) OD pipe.
Specifications — 4″
| Pipe outside diameter | 4.500″ (114.3 mm) |
|---|---|
| Working pressure | Full vacuum (29.9 in Hg) to 300 psi / 2100 kPa / 21 bar |
| End to end | 4.63″ (117.6 mm) |
| Flow coefficient | Cv 820 (Kv 707) fully open |
| Approximate weight | 9.3 lb (4.2 kg), bare valve |
| Actuator mounting | ISO 5211, F07 |
Materials
- Body and end face: ductile iron to ASTM A536, Grade 65-45-12, black coated.
- Disc: electroless-nickel-coated ductile iron (ASTM B733) as standard; CF8M stainless steel or C95500 aluminium bronze optional at this size.
- Stem: 416 stainless steel (ASTM A582) as standard; 17-4PH optional. Brass stem seal cartridge.
- Bearings: fibreglass and 316 stainless steel with TFE lining.
Seat options
- EPDM (green): −30°F to +230°F (−34°C to +110°C). Not for petroleum or steam service.
- Nitrile (orange): +10°F to +150°F (−12°C to +65°C). Not for hot water above +150°F, hot dry air above +140°F, or steam.
- Fluoroelastomer (blue): +20°F to +300°F (−7°C to +149°C). Not for steam.
Operators
At 4″ the valve is offered bare with the ISO 5211 flange, with a 10-position handle (infinitely variable, padlockable, with memory stop) or with a gear operator. Not recommended for potable water in stainless steel or copper systems.
Standards
Construction and performance meet or exceed MSS SP-67. Closure/seat leakage rate A to EN 12266-1, EN 1074-1, EN 1074-2 and ISO 5208.
Supply
Supplied from surplus stock through our supply network. Seat grade, operator, quantity, unit condition and any documentation are confirmed on the quotation. Figures on this page are from Victaulic publication 08.20 (Rev W).
Identification
| Parameter | Value |
|---|---|
| Series | 761 (Vic-300 MasterSeal) |
| Body configuration | Grooved ends |
| Sanitary / FDA service | no |
Dimensions
| Parameter | Value |
|---|---|
| Size range | 4″ (114.3 mm pipe OD) |
| End-to-end length | 4.63″ (117.6 mm) |
| Approximate weight | 9.3 lb (4.2 kg), bare valve |
Performance
| Parameter | Value |
|---|---|
| Maximum working pressure | Full vacuum to 300 psi / 2100 kPa / 21 bar |
| Operating temperature range | EPDM: −30°F to +230°F; nitrile: +10°F to +150°F; fluoroelastomer: +20°F to +300°F |
| Vacuum rating | Full vacuum (29.9 in Hg / 760 mm Hg) |
| End-of-line service capable | yes |
| Flow coefficient Cv (full open) | 820 (Kv 707) |
| Actuation options | ISO 5211 F07 mounting flange; 10-position handle with memory stop (padlockable); gear operator |
Compliance
| Parameter | Value |
|---|---|
| End-connection / flange standard | Victaulic grooved ends for 4.500″ (114.3 mm) OD pipe |
| Standards | MSS SP-67; leakage rate A to EN 12266-1, EN 1074-1, EN 1074-2, ISO 5208 |
Construction
| Parameter | Value |
|---|---|
| Body material options | Ductile iron (ASTM A536 65-45-12), black coated |
| Stem material options | 416 stainless steel (standard); 17-4PH (optional) |
| Disc material options | Electroless-nickel-coated ductile iron (standard); CF8M or aluminium bronze (optional) |
| Seat elastomer options | EPDM, nitrile, fluoroelastomer |
Shipping & lead time
Can the Series 761 be used at the end of a line?▾
What pressure and vacuum does it handle?▾
Which seat should I choose?▾
How do I automate it?▾
What condition are these valves supplied in?▾
Shipped worldwide from our Dubai warehouse. Transit, routes and documentation for 126 destinations
