Hangzhou Suntech Machinery Co., Ltd.
| Oil System | 5L Automatic Circulation with Warning |
| Spindle Speed | 38 RPM High / 11/22 RPM Low |
| Threading Capacity | 1/2-4 Inch (DN15-DN100) |
| Machine Weight | 165 kg |
| Supply Ability | 200 Sets/Month |
| Motor Power | 1500W Copper Wound Forced-Air Cooled |
| Packaging Details | Reinforced Export-Grade Plywood Crate |
| Payment Terms | T/T,Western Union,MoneyGram |
| Delivery Time | 10-15Days |
| Duty Cycle | 100% Continuous S1 Rating |
| Model Number | STT100-HV |
| Brand Name | SUNTECHMACH |
| Place of Origin | ZHEJIANG, CHINA |
| Certification | CE, ISO9001 |
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Product Specification
| Oil System | 5L Automatic Circulation with Warning | Spindle Speed | 38 RPM High / 11/22 RPM Low |
| Threading Capacity | 1/2-4 Inch (DN15-DN100) | Machine Weight | 165 kg |
| Supply Ability | 200 Sets/Month | Motor Power | 1500W Copper Wound Forced-Air Cooled |
| Packaging Details | Reinforced Export-Grade Plywood Crate | Payment Terms | T/T,Western Union,MoneyGram |
| Delivery Time | 10-15Days | Duty Cycle | 100% Continuous S1 Rating |
| Model Number | STT100-HV | Brand Name | SUNTECHMACH |
| Place of Origin | ZHEJIANG, CHINA | Certification | CE, ISO9001 |
| High Light | High-Volume Pipe Threading Machine ，Continuous Duty Pipe Threader ，Production Pipe Threader 36RPM | ||
The SUNTECHMACH STT100-HV is a production-grade pipe threading machine engineered for contractors and fabrication shops that measure output in tons, not pieces. With a 1500W continuous-duty copper motor, 11/22/3/ RPM high-speed spindle, and 100% duty cycle rating, it eliminates the biggest bottleneck in any pipe workshop — machine downtime. This is threading built for the long shift.
Contractor Pain Points & Our Solutions| THE PROBLEM | HOW WE SOLVED IT |
|---|---|
| Motor overheats after 30-40 pipes, forcing 20-minute cooldowns that kill daily output. | Oversized 1500W copper motor with forced-air cooling and external aluminum heat sinks. Rated for 100% S1 continuous duty — runs 8-hour shifts at full load without thermal throttling. |
| 24 RPM spindles are too slow — can't meet the main contractor's daily quota for pre-fabricated pipe spools. | 11/22/38 RPM high-speed spindle with dual-range gearbox threads a 2-inch pipe in under 25 seconds. Combined with auto-retract die head, a single operator produces up to 180 threaded ends per hour. |
| Swapping dies between sizes on mixed batches takes more time than the actual threading. | Cam-lock quick-release cassette system — pre-loaded, color-coded by diameter. Swap between any two die sizes in under 3 minutes with zero tool adjustments. |
| Oil runs dry mid-shift without warning, causing torn threads and costly rework. | 5-liter automatic circulation system with constant-flow nozzle at the cutting zone. Low-level indicator light alerts the operator before it runs dry. Refillable during operation. |
| Inconsistent thread depth on long runs — quality control rejects the last 20 out of every 100. | Micrometer-adjustable precision depth stop locks the setting. Includes NPT/ANSI B1.20.1 go/no-go thread gauge for on-the-spot QC verification. Thread once, measure, lock, and every subsequent piece matches. |
| Three-phase power requirement limits where the machine can be installed in the workshop. | Dual-voltage design with auto-sensing inverter. Runs on single-phase 220V or three-phase 380V by swapping a terminal block. No external transformer required. Soft-start prevents inrush tripping of shop breakers. |
| Parameter | Specification |
|---|---|
| Model | STT100-HV |
| Pipe Threading Capacity | 1/2 inch - 4 inch (DN15 - DN100) |
| Bolt Threading Capacity | M10 - M48 |
| Motor Power | 1500W (3.1 HP), 100% Copper Wound, Forced-Air Cooled |
| Spindle Speed | 38 RPM (High) / 11/22 RPM (Low / Torque Mode) |
| Duty Cycle Rating | 100% Continuous (S1) |
| Voltage | 220V / 1-Phase / 50Hz or 380V / 3-Phase / 50Hz (Terminal Block Selectable) |
| Die Head Type | Auto-Retract, Quick-Release Cam-Lock Cassette |
| Oil System | 5 Liter Automatic Circulation, Adjustable Flow Rate, Low-Level Warning Light |
| Thread Standards | NPT (ANSI B1.20.1), BSPT (ISO 7-1), Metric (ISO 261) |
| Cooling System | Forced-Air Fan with External Aluminum Heat Sink Fins |
| Machine Weight | 140 kg (Net), 160 kg (Gross with Crate) |
| Dimensions (L x W x H) | 960 x 680 x 720 mm |
Engineered for high-output pipe fabrication workshops and contractor operations running combined shop production with field installation. Handles Schedule 40, Schedule 80, and Schedule 160 steel pipe conforming to ASTM A53 Grade B, API 5L Grade B, and EN 10255 standards. Ideal for pre-fabricated pipe spool manufacturing, fire protection sprinkler system preparation, HVAC mechanical room piping, oil and gas facility maintenance workshops, water treatment plant pipework, and marine shipbuilding pipe fabrication.
Packaging & Quality AssuranceEvery STT100-HV is shipped in a reinforced export-grade plywood crate with internal steel frame bracing rated for 500 kg stack load. Vibration-isolated motor and gearbox mounts prevent transport damage. Each unit completes a factory acceptance test: 4-hour continuous run-in at full rated load, 50 consecutive thread samples measured against NPT/ANSI B1.20.1 and ISO 7-1 standards, 500 VDC insulation resistance testing, and noise level certification. CE and ISO 9001 certified. Covered by a 12-month comprehensive warranty with 48-hour priority parts dispatch to major global markets.
SUNTECHMACH — Thread More. Wait Less.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Trading Company
Year Established:
1990
Total Annual:
8,000,000-20,000,000
Employee Number:
<200
Ecer Certification：
Verified Supplier
HZ-SUNTECH is the Pipe Tools Division of CNSUNTECH Group, specializing in heavy-duty pipe fabrication and installation equipment for global contractors, distributors, and industrial users. With over 20 years of industry experience, we focus on providing durable, jobsite-ready solutions for st... HZ-SUNTECH is the Pipe Tools Division of CNSUNTECH Group, specializing in heavy-duty pipe fabrication and installation equipment for global contractors, distributors, and industrial users. With over 20 years of industry experience, we focus on providing durable, jobsite-ready solutions for st...
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