1343 Series, 2 ways solenoid valves for ammonia (NH3) cholro flurinated (CFC and HCFC) and ecological refrigerants (HFC)

Principal characteristics Cast body Steel forged flangeds for welding Teflon seats and diaphragms Capsulated coils with DIN 43650 connections Minimum pressure differential: 0.07 BAR (1 PSI) except: 1343 AT1: 0 BAR Maximum pressure differencial: 21 BAR (300 PSI) Temperature range: -40ºC to 110ºC (-40ºF to 230ºF) Manual Operator exccept in 1343 AT1, optional in 1343 AT3 and 1343 AT34 Optional: strainer 1347 incorporated

 

Technical specifications

Size	Connection	Catalog Nr.		Kv. Coeff.	Weight*		Repair Kit code
		w/o strainer	with strainer		w/o strainer	with strainer	w/o strainer	with strainer
1/2″	Welding Flanges	1343 AT1	1343 AT1F	0,16	1,58	2,75	K43HT1	K43HT1F
	Welding Flanges	1343 AT3	1343 AT3F	1,6	1,95	3	K43FT1	K43FT1F
3/4″	Welding Flanges	1343 AT34	1343 AT34F	2,1	2,15	4,34	K43FT3	K43FT3F
	Welding Flanges	1343 AT4	1343 AT4F	4,5	3,554	5,74	K43FT2	K43FT2F
1″	Welding Flanges	1343 AT5	1343 AT5F	6	3,28	5,64
	Welding Flanges	1343 AT6	1343 AT6F	8	3,6	5,53	K43FT5	K43FT5F
1,1/4″	Welding Flanges	1343 AT7	1343 AT7F		3,5	5,43

Optionals:

The manual operator is standard for sized from 3/4″ to 1.1/4″.

For size 3 and 34 add the suffix M to the catalog Number.

Example: 1343 AT3-M.

(*) The weight includes valve and coil.

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Dimensions

 

w/o strainer	A	B	C	D	E	with strainer	G	H
1343AT1	130	95	20	14	80	1343AT1F	186	96
1343AT3	132	99	71	14	80	1343AT3F	488
1343AT34	132	99	71	19,3	80	1343AT34F	188
1343AT4	159	109	80	19,3	96	1343AT4F	239	126
1343AT5	159	109	80	26	96	1343AT5F	239
1343AT6	157	126	76	26	96	1343AT6F	239
1343AT7	157	126	76	32	96	1343AT7F	241

NOTES: (**) Upon request PG11 or 1/2″ NPT conduit. Optional luminous indicator.

 

Recommendations for the installation of solenoid valves

• Place a strainer immediatly upstream of the valve.
• Most favourable position: Upon a horizontal pipe line with the coil in the upward position.

 

Typical circuit of refrigeration for NH3 evaporators at different temperatures

 

1. Compresor

2. Condenser

3. Receiver

4. Filter-dryer

5. Strainer

6. Solenoid valve

7. Magnetic level switch

8. Separator tank

9. Pumping Station

10. Throtling Valve

11. Evaporation Pressure Regulating Valve

12. Relief valve