Heat water meter, also can serve as heat meter. This type of water meter also can be used for a remote reading transmission system as equipped with a built-in sensor.

APPLICATION: To totalize the total volume of cold (hot) water passing through the pipeline.

WORKING CONDITION:

The max.admissible water pressure: 1.0MPa OR 1.6MPa.
Water temperature: 0.1℃~50℃ for cold water ; 0.1℃~90℃ for hot water.

FEATURES:

Measuring mechanism has three different types.
Removable element structure, it is easy for installation and maintenance, register for universal use within this range detachable without Removing the meter from the pipeline;
Dry-dial, Magnetic drive sensitive action, small pressure loss;
Counter of roller-big central pointer type, easy reading;
Vacuum sealed register ensures the dial keeps free from fog and keeps the reading clear in a long term service;
Selected high quality materials for steady & reliable characteristic;

MAXIMUM PERMISSIBLE ERROR:

From transitional flow up to maximum flow both inclusive:
±2% for cold water.
±3% for hot water.
From minimum flow inclusive up to transitional flow: ±5%.

FLOW-ERROR CURVE PRESURE LOSS-ERROR CURVE

DN100 PN16 Woltman Type Flow Meter Class B For Heat Supply Utility Billing

DIMENSIONS AND WEIGHTS

Size	Length L	Height H	Outer Diameter D1	Bolt Circle Diameter D2	Connecting Bolt	Weight
mm					n-Md	Kg
50	200	247	165	125	4-M16	8
65	200	260	185	145	4-M16	13
80	225	265	200	160	8-M16	15
100	250	272	220	180	8-M16	19
125	250	295	250	210	8-M16	23
150	300	302	285	240	8-M20	30
200	350	359	340	295	8-M20(1.0MPa)	42
200	350	359	340	295	12-M20(1.6MPa)	41.5
250	450	470	395	350	12-M20(1.0MPa)	77
250	450	470	405	355	12-M24(1.6MPa)	79
300	500	492	445	400	12-M20(1.0MPa)	97
300	500	492	460	410	12-M24(1.6MPa)	114
400	600	631	565	515	16-M24(1.0MPa)	199
400	600	631	580	525	16-M27(1.6MPa)	206
500	800	740	670	620	20-M24(1.0MPa)	340
500	800	740	715	650	20-M30(1.6MPa)	358

MAIN TECHNICAL DATA

Size mm	CLASS	Maximum flow	Nominal flow	Transitional flow	Minimum flow	Minimum Reading	Maximum Reading
Size mm	CLASS	m³/h				m³
50	B	30	15	3.0	0.45	0.001	999999
65	B	50	25	5.0	0.75	0.001	999999
80	B	80	40	8.0	1.2	0.001	999999
100	B	120	60	12	1.8	0.001	999999
125	B	200	100	20	3.0	0.001	999999
150	B	300	150	30	4.5	0.01	9999999
200	B	500	250	50	7.5	0.01	9999999
250	B	800	400	80	12	0.01	9999999
300	B	1200	600	120	18	0.01	9999999
400	B	2000	1000	200	30	0.1	99999999
500	B	3000	1500	300	45	0.1	99999999

BOUNDARY DIMENSION

Competitive Advantage:

Compliance to international standards: ISO4064 / GBT778 / Q/320700JR05-2003
Strict process control
Advanced calibration equipment
Engineer team

Production

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