Sanitary Weld-thread Butterfly Valve
KINGMAN supplies This sanitary butterfly valve features one‑end butt‑weld and one‑end threaded connection. Body and disc are CNC precision‑turned from 304/316L stainless steel with hygienic polished inner surface.
The hybrid connection combines the leak‑proof advantage of welded joint and the easy‑disassembly merit of threaded port. It is ideal for pipelines requiring permanent sealing on one side and convenient maintenance on the other. Supports CIP cleaning. Multiple seal materials are optional: EPDM (standard), PTFE, FKM, Silicon. Manual or pneumatic 90‑degree rotation available. Every valve passes strict shell and seat leakage pressure test. Compliant with 3A, SMS, DIN, ASME BPE standards, widely used in food, pharmaceutical and liquid‑cooled data center fluid systems.
Specifications
| Parameter | Value |
|---|---|
| Product Type | Sanitary Butterfly Valve |
| Size Range | DN15‑DN200 (approx. 1/2"‑8") |
| Body & Disc Material | 304 / 316L stainless steel (AL6XN, Hastelloy, Alloy 22 available on request) |
| Seal Material | EPDM (standard); PTFE / FKM (Viton) / Silicon (optional — please confirm) |
| Working Temperature | 130 °C |
| Max. Working Pressure | 1000 kPa (10 Bar) for DN15‑DN100; 800 kPa (8 Bar) for DN125‑DN150 |
| Min. Working Pressure | Full vacuum (with EPDM seal) |
| Connection Standard | 3A / SMS / DIN / ISO / RJT / IDF / ASME BPE |
| Connection Type | Tri‑Clamp / Weld / Threaded / Flange (please confirm) |
| Operation Type | Manual handle / Pneumatic actuator |
| Certification | ISO 9001, 3A,CE,EAC,health wading license |
Dimensions
DIN Standard
| Material Code | Size | O | D | G | K×K | A | H |
|---|---|---|---|---|---|---|---|
| BF01DINWTH104EP015 | DN15 | 78.0 | 18.0 | RD34×1/8 | 8.2×8.2 | 59.0 | 39.0 |
| BF01DINWTH104EP020 | DN20 | 78.0 | 22.0 | RD44×1/6 | 8.2×8.2 | 59.0 | 39.0 |
| BF01DINWTH104EP025 | DN25 | 78.0 | 28.0 | RD52×1/6 | 8.2×8.2 | 59.0 | 39.0 |
| BF01DINWTH104EP032 | DN32 | 82.0 | 34.0 | RD58×1/6 | 8.2×8.2 | 59.0 | 41.0 |
| BF01DINWTH104EP040 | DN40 | 88.0 | 40.0 | RD65×1/6 | 8.2×8.2 | 60.0 | 44.0 |
| BF01DINWTH104EP050 | DN50 | 110.0 | 52.0 | RD78×1/6 | 8.2×8.2 | 66.0 | 55.0 |
| BF01DINWTH104EP065 | DN65 | 127.0 | 70.0 | RD95×1/6 | 10.0×10.0 | 69.0 | 63.5 |
| BF01DINWTH104EP080 | DN80 | 140.0 | 85.0 | RD110×1/4 | 10.0×10.0 | 75.0 | 70.0 |
| BF01DINWTH104EP100 | DN100 | 160.0 | 104.0 | RD130×1/4 | 10.0×10.0 | 77.0 | 80.0 |
| BF01DINWTH104EP125 | DN125 | 190.0 | 129.0 | RD160×1/4 | 12.0×12.0 | 82.0 | 95.0 |
| BF01DINWTH104EP150 | DN150 | 225.0 | 154.0 | RD190×1/4 | 12.0×12.0 | 85.0 | 112.5 |
SMS Standard
| Material Code | Size | O | D | G | K×K | A | H |
|---|---|---|---|---|---|---|---|
| BF01SMSWTH104EP019 | 19 | 78.0 | 19.1 | RD34×1/8 | 8.2×8.2 | 59.0 | 39.0 |
| BF01SMSWTH104EP025 | 25 | 78.0 | 25.4 | RD40×1/6 | 8.2×8.2 | 59.0 | 39.0 |
| BF01SMSWTH104EP032 | 32 | 80.0 | 31.8 | RD48×1/6 | 8.2×8.2 | 59.0 | 40.0 |
| BF01SMSWTH104EP038 | 38 | 88.0 | 38.1 | RD60×1/6 | 8.2×8.2 | 59.0 | 44.0 |
| BF01SMSWTH104EP051 | 51 | 100.0 | 50.8 | RD70×1/6 | 8.2×8.2 | 63.0 | 50.0 |
| BF01SMSWTH104EP063 | 63 | 117.0 | 63.5 | RD85×1/6 | 10.0×10.0 | 68.0 | 58.5 |
| BF01SMSWTH104EP076 | 76 | 129.0 | 76.2 | RD98×1/6 | 10.0×10.0 | 70.0 | 64.5 |
| BF01SMSWTH104EP089 | 89 | 140.0 | 88.9 | RD110×1/6 | 10.0×10.0 | 73.0 | 70.0 |
| BF01SMSWTH104EP102(1) | 102(1) | 160.0 | 101.6 | RD125×1/6 | 10.0×10.0 | 78.0 | 80.0 |
| BF01SMSWTH104EP102(2) | 102(2) | 160.0 | 101.6 | RD132×1/6 | 10.0×10.0 | 78.0 | 80.0 |
3A Standard
| Material Code | Size | O | D | G | K×K | A | H |
|---|---|---|---|---|---|---|---|
| BF013AWTH104EP100 | 1" | 78.0 | 25.4 | 37.1×8TACME | 8.2×8.2 | 59.0 | 39.0 |
| BF013AWTH104EP150 | 1 1/2" | 80.0 | 38.1 | 50.6×8TACME | 8.2×8.2 | 59.0 | 40.0 |
| BF013AWTH104EP200 | 2" | 100.0 | 50.8 | 64.2×8TACME | 8.2×8.2 | 63.0 | 50.0 |
| BF013AWTH104EP250 | 2 1/2" | 117.0 | 63.5 | 77.7×8TACME | 10.0×10.0 | 68.0 | 58.5 |
| BF013AWTH104EP300 | 3" | 129.0 | 76.2 | 91.2×8TACME | 10.0×10.0 | 70.0 | 64.5 |
| BF013AWTH104EP400 | 4" | 160.0 | 101.6 | 119.2×8TACME | 10.0×10.0 | 78.0 | 80.0 |
ISO Standard
| Material Code | Size | O | D | G | K × K | A | H |
|---|---|---|---|---|---|---|---|
| BF01ISOWTH104EP100 | 1" | 78.0 | 25.4 | 37.1×8TACME | 8.2×8.2 | 57.0 | 39.0 |
| BF01ISOWTH104EP150 | 1 1/2" | 88.0 | 38.1 | 50.6×8TACME | 8.2×8.2 | 57.0 | 44.0 |
| BF01ISOWTH104EP200 | 2" | 100.0 | 50.8 | 64.2×8TACME | 10.0×10.0 | 63.0 | 50.0 |
| BF01ISOWTH104EP250 | 2 1/2" | 117.0 | 63.5 | 77.7×8TACME | 10.0×10.0 | 68.0 | 58.5 |
| BF01ISOWTH104EP300 | 3" | 129.0 | 76.2 | 91.2×8TACME | 10.0×10.0 | 70.0 | 64.5 |
| BF01ISOWTH104EP400(1) | 4" | 160.0 | 101.6 | 118.4×8TACME | 10.0×10.0 | 78.0 | 80.0 |
| BF01ISOWTH104EP400(2) | 4" | 160.0 | 101.6 | 125.9×6TACME | 10.0×10.0 | 78.0 | 80.0 |
Features
- Hybrid one‑weld one‑thread connection：Combines stable leak‑proof performance of welded end and quick disassembly & maintenance of threaded end.
- CNC precision‑turned body & disc：High‑precision mating surfaces to ensure good sealing effect.
- Polished dead‑leg‑free flow path：Smooth inner bore, fully suitable for CIP cleaning.
- Multiple seal options：EPDM / PTFE / FKM / Silicon, adapts to pressure and full‑vacuum conditions.
- Piece‑by‑piece pressure test before delivery：Strict shell and seat leakage test for reliable tightness.
- Manual / pneumatic actuation：90° rotation for shut‑off and flow throttling.
- Global sanitary standard compliance：Fit for food, pharmaceutical and liquid‑cooled data‑center fluid systems.
Working Principle
The sanitary weld-thread butterfly valve merges two connection methods in a single body: one end is butt-welded into the main pipeline for a permanent, leak-tight joint, while the other end is threaded for a detachable connection. The working principle remains the quarter-turn disc rotation, and the hybrid ends reduce the number of separate fittings and connection points in the system. This design is especially valuable where one side must be permanently fixed to the pipe while the other side needs to stay accessible for maintenance or equipment connection.
Why Choose KINGMAN
Custom System Fit
When catalog dimensions cannot match your equipment, we can adjust dimensions, ports and connections around supplied drawings, reducing additional adapters and modification work during subsequent system installation.
Stocked Supply
Standard stocked products can be prepared within 7 working days, providing a faster replenishment option when your local inventory, equipment production or ongoing project schedule requires additional components.
ISO 9001 System
Our ISO 9001-certified quality management system establishes defined production and inspection procedures, providing a structured manufacturing framework behind both individual product orders and long-term recurring purchasing programs.
