Nrv FT

Application
HVAC System, Cold and Hot Water, Oil and Steam

Hydrostatic Test Pressure
Body: 24 bar
Seat: 17.6 bar

Pressure / Temperature Rating
13 bar at 220 deg C
16 bar from -10 to 120 deg C

Suitable for mounting in Horizon and Vertical Pipe (with flow upwards)

Coating
Internal and External coated with wet Epoxy Paint RAL 5015 (Blue)
Coating Thickness (DFT) = 100 Microns

No.	Component	Material	DIN	BS	BS
01	Body	Cast Iron	1691GG25	1561-GJL-250	A126 CI B
02	Cover	Cast Iron	1691GG25	1561-GJL-250	A126 CI B
03	Disc	Cast Iron	1691GG25	1561-GJL-250	A126 CI B
04	Disc Seat Ring	Bronze	G-CuSn5ZnPb (Rg5)	1400LG2	B62 C83600
05	Body Seat Ring	Bronze	G-CuSn5ZnPb (Rg5)	1400LG2	B62 C83600
06	Hinge Pin	Stainless Steel	X5CrNi1810	304 S17	AISI 420
07	Gasket	Asbestos Free	-	-	-

Nominal Size	Dimensions			Weight	Kv Value
D(mm)	L(mm)	H(mm)	A(mm)	Kg	m3/h
50	203	104.0	165	11.6	-
65	216	132.5	185	17.5	172
80	241	141.5	200	21.4	287
100	292	163.0	220	35.0	462
125	330	192.0	250	56.2	730
150	356	212.0	285	72.4	1110
200	495	253.0	340	122.7	2143
250	622	294.0	405	192.0	3125
300	698	327.0	460	280.0	4725

Nrv Thd

Application
HVAC System, Cold and Hot Water, Oil and Steam

Hydrostatic Test Pressure
Body: 24 bar
Seat: 17.6 bar

Pressure / Temperature Rating
7 bar at 170 deg C
16 bar from -10 to 100 deg C

No.	Component	Material	DIN
01	Body	Stainless Steel	SS-304
02	Cover	Stainless Steel	SS-304
03	Disc	Stainless Steel	SS-304
04	Pin	Stainless Steel	SS-304
05	Gasket	PTFE	PTFE
06	Seat	Stainless Steel	SS-304

Nominal Size	Dimensions			Weight	Kv Value
D(inches)	L(mm)	H(mm)	d(mm)	Kg	m3/h
* 3/8	54	36	13	0.22	-
1/2	55	39	13	0.25	5
3/4	61	43	19	0.33	8.5
1	70	49	25.8	0.46	12
1 1/4	81	55	31	0.68	21.5
1 1/2	91	62	37.5	0.87	35
2	109	70	48	1.37	55
* 2 1/2	138	82	63	2.35	-
* 3	149	93.5	75	3.15	-
* 4	180	105	98	4.95	-