Vertical Helical Turbine Water Meter
Measuring the total volume of cold (hot)water passing through the pipeline.It is a Vertical Woltman water meter for industrial and Irrigation application in sizes from 40 to 200mm for cold meter.
Description
WS DN40~200 Woltman Vertical Water Meter
Product features/advantages
- Removable measuring unit, Inner filter, easy maintance;
- Dry dial, Magnetic drive, keep clear reading for long time;
- Low start flow, low pressure loss at high flow rate, better than vane wheel meter;
- Can make Photoelectric direct reading remote transmission and output water meter, Remote transmission device can be added upon request, such as Reed Switch or Hall, Pulse Output
- Technical data conform to ISO 4064 standard.
Standard: GB/T 778 ISO4064
Water meter body material:gray iron, ductile iron, stainless steel, plastic
Verification level standard:R160; R200
Working condition
- Water temperature: T30 T50
- Water pressure class: MAP10
- Pressure-loss class: ∆p63
Maximum permissible error
(1)From minimum flow-rate(Q1)inclusive to transitional flow-rate(Q2)exclusive±5%.
(2)From transitional flow-rate(Q2) to overload flow rate(Q4)±2%(Hot water meter ±3%)
Models and specification

|
Model |
Size |
L |
H |
Connecting Flange |
||
|
φD1 Outside |
φD2 Bolt Circle |
Connecting Bolts |
||||
|
mm |
||||||
|
WS-40 |
1½" |
245 |
280 |
- |
- |
R1V2(screw connection) |
|
WS-50 |
2" |
280 |
280 |
165 |
125 |
4-M16 |
|
WS-65 |
2½" |
200 |
280 |
185 |
145 |
4-M16 |
|
WS-80 |
3" |
370 |
300 |
200 |
160 |
8-M16 |
|
WS-100 |
4" |
370 |
305 |
220 |
180 |
8-M16 |
|
WS-150 |
6" |
500 |
500 |
285 |
240 |
8-M20 |
|
WS-200 |
8" |
500 |
515 |
340 |
295 |
8-M20 |
|
NOTE: The flange dimension conforms to ISO 7005 standard. Order for products of special requirements is also accepted. |
||||||
|
MAIN TECHNICAL SPECIFICATIONS
|
|||||||||
|
Model |
Size |
Q4 |
Q3 Permanent |
Q₃/Q₁ |
Q₂/Q1 |
Q₂ Transitional |
Q1 |
Minimum |
Maximum |
|
m³/h |
m³/h |
m³ |
|||||||
|
WS-40 |
1½" |
50 |
40 |
160 |
1.6 |
0.4 |
0.25 |
0.0005 |
999,999 |
|
WS-50 |
2" |
50 |
40 |
160 |
1.6 |
0.4 |
0.25 |
0.0005 |
999,999 |
|
200 |
1.6 |
0.32 |
0.2 |
0.0005 |
999,999 |
||||
|
WS-65 |
2½" |
50 |
40 |
160 |
1.6 |
0.4 |
0.25 |
0.0005 |
999,999 |
|
200 |
1.6 |
0.32 |
0.2 |
0.0005 |
999,999 |
||||
|
WS-80 |
3" |
79 |
63 |
160 |
1.6 |
0.63 |
0.39 |
0.0005 |
999,999 |
|
200 |
1.6 |
0.5 |
0.32 |
0.0005 |
999,999 |
||||
|
WS-100 |
4" |
125 |
100 |
160 |
1.6 |
1 |
0.63 |
0.0005 |
999,999 |
|
200 |
1.6 |
0.8 |
0.5 |
0.0005 |
999,999 |
||||
|
WS-150 |
6" |
312 |
250 |
160 |
1.6 |
2.5 |
1.56 |
0.005 |
9,999,999 |
|
200 |
1.6 |
2 |
1.25 |
0.005 |
9,999,999 |
||||
|
WS-200 |
8" |
500 |
400 |
160 |
1.6 |
4 |
2.5 |
0.005 |
9,999,999 |
|
200 |
1.6 |
3.2 |
2 |
0.005 |
9,999,999 |
||||



FAQ
Products and Services
1. Q: What types of water meters does your factory mainly produce?
A: We focus on the research and development and manufacturing of various types of water meters. Our main product lines include: large-diameter water meters, small-diameter water meters, smart water meters, valves and accessories.
We provide a full range of solutions to meet the different metering needs of households, commercial buildings, industrial parks, and urban and rural water supply networks.
2. Q: What is your product warranty policy?
A: We have full confidence in every water meter we produce. All products enjoy a one-year quality guarantee from the date of manufacture. Under normal use and in accordance with installation specifications, we will provide free repair or replacement for malfunctions caused by defects in materials or manufacturing processes.
3. Q: How are technical support and after-sales service provided?
A: We are committed to providing full lifecycle customer support:
- Pre-sales consultation: Providing professional selection guidance, solution design, and technical Q&A.
- In-sales support: Providing clear product installation manuals, wiring diagrams, or on-site installation guidance (depending on the project).
- After-sales response: Establishing a dedicated after-sales service hotline email [hytten@hyttenmeter.com]. For reported issues, we promise to respond within 1 hour and provide solutions such as remote diagnostics, sending parts, or arranging on-site technical support, depending on the urgency of the issue.
- Value-added services: For smart water meter projects, we can provide data docking and debugging assistance and system operation and maintenance training.
Qualifications and Strength
4. Q: What important qualifications and certifications does the factory possess?
A: Quality is our cornerstone. We have obtained and strictly implement the following system and product certifications:
- Quality Management System: ISO 9001 Quality Management System Certification, ensuring controllable production processes.
Product Certifications:
- China Type Approval Certificate for Metrological Instruments (CPA).
- GB/T 778 series certifications and factory inspection certificates conforming to Chinese national standards.
For export products, we possess core international certifications such as MID certification and CE certification.
- Metrological Standards: Our factory calibration laboratory is equipped with high-precision standard devices to ensure that the metering accuracy of each water meter meets international recommendations such as ISO 4064.
5. Q: What are our core advantages compared to our competitors?
A: Our advantages stem from our commitment to quality and innovation:
- Vertically Integrated Manufacturing: We possess a complete industrial chain from mold design, injection molding, machining to electronic module production, giving us strong control over quality, cost, and delivery time.
- Strict Quality Control: We implement full-process inspection from raw material warehousing to finished product delivery, with 100% testing of key processes (such as calibration) to ensure product reliability.
- Continuous R&D Investment: We focus on smart metering and sensing technologies, launching new market-adaptive products annually, such as low-power IoT water meters and ultrasonic water meters.
- Flexible Customization Capabilities: We can provide customized services in areas such as interfaces, communication protocols, and appearance according to customer needs.
- Global Project Experience: Our products have been operating stably in more than 30 countries and regions worldwide, withstanding the test of complex environments.
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