SPECIFICATIONS
Nominal pressure PN, MPa (kgf/cm2)	1,6(16)	2,5(25)
Operating differential pressure across the gate, MPa (kgf/cm2), not above	1,6(16)	2,5(25)
Operating medium (temperature, °С)	oil, liquid petroleum products (from minus 20 to +80°С), water, steam (from 0 to +350°С), foaming agent solutions
Climatic design	У1, ХЛ1, УХЛ1
Ambient temperature, °С	from minus 40 to +40 for У1 from minus 60 to +40 for ХЛ1, УХЛ1
Seismic resistance	up to magnitude 10 (inclusive) on MSK - 64 scale
Type of connection to pipeline	flanged companion flanges
FIGURES OF MERIT
Probability of non-failure operation during one cycle «OPEN-CLOSE»	no less than 0,999
Specified lifetime	30 years
Specified service life	3000 cycles
Lifetime of replaceable and constituent parts	no less than 15 years

MATERIAL OF BASIC PARTS
	У1	ХЛ1, УХЛ1
Body	Steel 20 overlay НRC≥35	Steel 09Г2С overlay НRC≥35
Clapper
Axis	20Х13	14Х17Н2

At the order, please, specify the following: nominal diameter, nominal pressure, required gate leak-proofness class, type of climatic design, seismic design, type of installation (underground, aboveground), presence of external corrosion-resistant coating, dimensions of adjusted pipe, strength class and level of quality of pipe material, designation of normative reference, according to which the pipe is manufactured.

Valves are certified for the compliance to technical regulations on the safety of machinery and equipment.

Valve designation	Nominal diameter DN, mm	Allowable leak of medium, cm3/min	Dimensions, mm															Weight, kg
			D1	D2	D3	D4	H	h	B1	B2	B3	B	L2	L1	d	n	d1
УК 44016-300-04;05	300	25	-	370	410	460	500	271	165	145	305	245	300	105	18	12	26	85
УК 44016-350-04;05	350	25	-	430	470	520	553	293	190	170	330	270	350	130	18	16	26	125
УК 44016-400-04;05	400	25	474	482	525	580	617	327	240	220	400	320	400	200	24	16	30	174
УК 44016-500-04;05	500	45	576	585	650	710	766	395	300	270	470	370	500	220	18	20	33	371
УК 44016-600-04;05	600	45	678	685	770	840	853	435	380	330	530	460	600	300	18	20	39	480
УК 44016-700-04;05	700	45	778	800	840	910	974	510	400	380	560	500	700	320	26	24	39	635
УК 44016-800-04;05	800	80	878	905	950	1020	1080	570	470	480	680	620	750	390	26	24	39	983
УК 44016-1000-04;05	1000	80	1078	1110	1170	1255	1308	680	590	610	810	750	850	520	26	28	45	1262
УК 44025-300-04;05	300	25	-	390	430	485	513	271	165	145	305	245	300	105	18	16	30	105
УК 44025-350-04;05	350	25	-	449	490	550	568	294	190	170	330	270	350	130	18	16	33	148
УК 44025-400-04;05	400	25	474	505	550	610	632	327	240	220	400	320	400	200	18	20	39	191
УК 44025-500-04;05	500	45	500	576	660	730	766	395	300	270	470	370	500	220	18	20	39	385
УК 44025-600-04;05	600	45	678	685	770	840	853	435	380	330	530	460	600	300	18	20	39	480
УК 44025-700-04;05	700	45	778	800	840	910	974	510	400	380	560	500	700	320	26	24	39	635
УК 44025-800-04;05	800	80	878	905	990	1020	1080	570	470	480	680	620	750	390	26	24	39	983
УК 44025-1000-04;05	1000	80	1078	1110	1210	1255	1308	680	590	610	810	750	850	520	26	28	45	1262

Note:
– 04 design for У1;
– 05 design for ХЛ1, УХЛ1.