Silicone and Silicone Plus diaphragms
Valve diaphragms. Medical grade silicone available in white or clear finish. Parylene surface treated version available.
Valves - diaphragms
Valves - inline valves
Block-and-bleed valves
Overview
ASEPCO Weirless Radial diaphragm™ block-and-bleed valve
A reliable block-and-bleed valve eliminating the usual dead leg between seal points.
Features and benefits
- Easy to assemble and inspect
- Eliminates sources of contamination—reducing cleaning time
- Clean, self-draining design
- Block body design eliminates dead leg area
- Patented radial diaphragm, eliminates entrapment for easy cleaning
- Up to 80% reduction in maintenance costs
- Never needs re-tightening or adjustment
Technical summary
| Mounting type | Clamp, In-line |
| Max. operating pressure | 10 bar |
| Max. operating pressure | 150 psi |
| Compatible actuators | Fail closed, Fail open, Manual, Pneumatic |
| Compatible diaphragms | EPDM |
| Surface finish options | Electropolished, Max 10 micro-inch Ra (0.25 µm Ra), Max 15 micro-inch Ra (0.375 µm Ra), Max 20 micro-inch Ra (0.5 µm Ra) |
| Certification and compliance | ISO 9001 |
| Standards | ASME BPE, CE-PED |
Technical Summary table lists features available within the range. See ‘Specifications’ tab for model specific information.
Performance
| Flow rates | ||
|---|---|---|
| Size (inches) | Cv at 1 psi (0.07 bar) | |
| LPM | USGPM | |
| 0.5 x 0.5 | 17.8 | 4.70 |
| 0.75 x 0.5 | 36 | 9.51 |
| 0.75 x 0.75 | 36 | 9.51 |
Specifications
Technical specifications
| Block-and-bleed valves | |
|---|---|
| Mounting type | Clamp, In-line |
| Flow rate | 17.8 - 36 l/m |
| Flow rate | 4.7 - 9.5 USGPM |
| Mounting sizes | 0.5 in, 0.75 in, 1.0 in, 1.5 in |
| Inlet/outlet Connections | Hygienic clamp, Tube end |
| Max. operating pressure | 10 bar |
| Max. operating pressure | 150 psi |
| Operating temperature range | -35 °C to 135 °C |
| Operating temperature range | -30 °F to 275 °F |
| Compatible actuators | Fail closed, Fail open, Manual, Pneumatic |
| Compatible diaphragms | EPDM |
| Surface finish options | Electropolished, Max 10 micro-inch Ra (0.25 µm Ra), Max 15 micro-inch Ra (0.375 µm Ra), Max 20 micro-inch Ra (0.5 µm Ra) |
| Certification and compliance | ISO 9001 |
| Standards | ASME BPE, CE-PED |
| Weight | 0.68 - 2.5 kg |
| Weight | 1.5 - 5.6 lbs |
Block-and-bleed valves dimensions
| Block and bleed valve dimensions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Line x Branch Size (inches) | A | B | C | D | E | F | ||||||
| mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | |
| 0.5 x 0.5 | 110.5 | 4.35 | 43.2 | 1.70 | 0.0 | 0.00 | 31.5 | 1.24 | 69.9 | 2.75 | 67.3 | 2.65 |
| 0.75 x 0.5 | 114.8 | 4.52 | 48.8 | 1.92 | 2.5 | 0.10 | 38.1 | 1.50 | 95.2 | 3.75 | 69.9 | 2.75 |
| 0.75 x 0.75 | 133.4 | 5.25 | 67.3 | 2.65 | 0.0 | 0.00 | 41.4 | 1.63 | 94.0 | 3.70 | 65.5 | 2.58 |
Weights
| Block and bleed valve weights | ||||
|---|---|---|---|---|
| Size (inches) | Valve Body | Total Weight with Manual Actuator | ||
| kg | lb | kg | lb | |
| 0.5 x 0.5 | 0.68 | 1.50 | 1.20 | 2.60 |
| 0.75 x 0.5 | 1.00 | 2.2 | 2.80 | 6.20 |
| 0.75 x 0.75 | 2.50 | 5.60 | 4.20 | 9.30 |
Materials of construction
| Material | Hastelloy, Stainless steel 316L, Stainless steel AL-6XN |
Literature
Brochures
-
ASEPCO weirless radial diaphragm valves (EN).pdf
PDF - 600.3kb
Datasheet
-
ASEPCO block-and-bleed valve datasheet (EN).pdf
PDF - 167.9kb
Manuals
-
Inline valve manual (EN).pdf
PDF - 1.5mb
Actuators
AKS actuator series
- Hygienic design with laser-etched serial numbers for full product traceability
- Lightweight plastic construction with 304 SS sleeve and Nylon handle
- Visual indication of open/closed status
- 150 psig maximum sealing force
Diaphragms
Diaphragms
Available in silicone and EPDM Extensively tested to ensure long service life Patented, leak-free static shoulder seal High performance with minimal maintenance
Order Information
Product codes
Block-and-bleed valves product codes
| Model Code | Part Description |
|---|---|
| BC05-125-1 | Weirless valve 0.5”, Block & Bleed, 316L Clamp-end inlet, Clamp-end outlet, 2.75” Face-to-Face & 0.5” bleed valve with clamp-end outlet, 20 micro‑inch Ra surface finish, electropolished and passivated, includes body/actuator clamp |
| BC08-125-1 | Weirless valve 0.75”, Block & Bleed, 316L Clamp-end inlet, Clamp-end outlet, 3.75” Face-to-Face & 0.5” bleed valve with clamp-end outlet, 20 micro‑inch Ra surface finish, electropolished and passivated, includes body/actuator clamp |
| BC08-126-1 | Weirless valve 0.75”, Block & Bleed, 316L Clamp-end inlet, Clamp-end outlet, 3.75” Face-to-Face & 0.75” bleed valve with clamp-end outlet, 20 micro‑inch Ra surface finish, electropolished and passivated, includes body/actuator clamp |
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