About Us

About Us

PromArm was founded in 2001. The most outstanding feature of PromArm is our strict requirement for top quality and the importance of the safety of all our goods and services. The company manufactures own products.

Manufacturing

Based on the needs of the modern market, in 2009 our own production of butterfly valves was created, and in 2013 we launched the production of knife gate valves.

Reference-list

Company's customers list with filter by industries and geographical regions

Warehouses

The company has created a constantly maintained supply of all the main types of industrial valves, electric drives, and pipeline parts to quickly meet the needs of the oil, gas, chemical industries, and housing and communal services. PromArm’s indoor warehouses occupy an area of 3,200 sq. m. We have all the necessary equipment at our disposal to store, pack and load items for delivery.

Customers feedbacks

PromArm has deserved the reputation of the reliable and responsible supplier sinse 10 years working on the market of industrial valves. There're many customer reviews that can prove this fact.

Our dealers

List of companies which are authorized to distribute products manufactured by PromArm

Company documentation

Certificate of Conformity, Declaration of Conformity, Health certificate, other permits documentation

Contacts

There're many ways to reach the PromArm's head office.

Work in PromArm

Our company is growing with fascinating speed. So we constantly are lack of specialists. We will be glad to see you in our team.

Geography of supplies
Industrial valves

Butterfly valves produced by PromArm

PTFE-lined butterfly valves
of PA 200 series

Butterfly valves of PA 300 series

Butterfly valves with double offset
of PA 400 series

Butterfly valves of PA 600 series

Butterfly valves with double offset
of PA 700 series

Butterfly valves with tripple offset
of PA 900 series

Pinch valves
produced by PromArm

Stem extensions

Knife gate valves produced by PromArm

Knife gate valves with through knife
of PA 510 series

Bidirectional knife gate valves
of PA 520 series

Bidirectional knife gate valves
with demountable body
of PA 530 series

Unidirectional knife gate valves
of PA 540 series

Bidirectional knife gate valves
with internal rubber inserts
of PA 550 series

Bidirectional knife gate valves
with polyurethane seat
of PA 560 series

Unidirectional knife gate valves
for high pressure with blind body
of PA 570 series

Valves

Ball valves

Check valve

Gate valves

Screen filters

Power valves

Electrically actuated
industrial valves

Valves by special requirements

Approval documentation
Electric actuators

Multiturn electric actuators for gate valves

Rotary electric actuators for butterfly valves and
ball valves

Linear electric actuators for valves
Miscellaneous equipment

Gate valve
pedestals

To provide remote control functions of gate valves installed at depth they can be fitted with a pedestal assembly and extension. As a rule, gate valves are actuated either manually or electrically. The pedestal assembly for manually actuated gate valves includes the actuator and the stem extension. The pedestal assembly for the electrically actuated gate valves consists of the following parts: yoke, stem extension, drive adapter, drive shaft and camshaft.

Fire protection equipment

Along with pipe fittings, manufactured to the requirements of JSC "Transneft" company "PromArm" kit lens storage and transportation of oil and petroleum products means to provide fire protection.

Fittings

Pipe elbows

Reducers

Tees

Pipe blinds

Pipe caps

Fasteners

Sealing materials

Flanges

Special-purpose equipment

In addition to general-purpose industrial valves, PromArm supplies special-purpose equipment consistent with special requirements.
Contact Us

Contacts of
Promarm Ltd

Tel./Fax: +7 (841-2) 35-07-97 (10 lines)

Email: info@promarm.ru

101 V Baumana st., Penza, 440052, Russia

Work hours: from 8-00 to 18-00

Location

PromArm on the map

Geography of supplies

Gate valves
Gate valves 30s41nzh (30с41нж)

Gate valves

Gate valves 30s41nzh (30с41нж)

Description

Assignment:

Gate valve is designed for installation on technological lines as a shut-off device.

Main advantages:

- small hydraulic resistance;

- full bore body design;

- shutter design is wedge, providing additional wedging force;

- high leakproofness shut off the flow in both direction.

Manufacturing according TU 33700-002-55604618-2013

The certificate of conformity №ТС RU C-RU.МЮ62.В.02136

Warranty period is 12 months from the date of commissioning, but not more than 36 months from the date of shipment by the manufacturer.

Conservation period is 3 years.

Operating life – not less than 10 years.

Design

Specification of main parts

Name	Materials
	с	лс	нж
	Material grade
Body, bonnet	steel 25Л GOST977	steel 20ГЛ GOST 21357	steel 12Х18Н9ТЛ GOST 977
Wedge	steel 25Л GOST 977	steel 20ГЛ GOST 21357	steel 12Х18Н9ТЛ GOST 977
Spindle	steel 20Х13 GOST 5632	steel 12Х18Н10Т GOST 5632
Gasket	thermally expanded graphite
Seal	thermally expanded graphite
Body and wedge Surfacing	20Х13	ЦН-12М

Technical specification

Nominal Diameter DN, mm	50	80	100	150		200	250		300	350	400		500	600	800	1000
Nominal Pressure PN, МПа (kgf/sm²)	1,6 (16)
Maximum torque, Н*m	65	80	100	135		200	260		320	445	550		850	1250	4373	7957
wedge sealing	«metal-metal»
Tightness of a wedge	tightness class according to GOST Р 54808: А, B, C
working medium	water, steam, air, liquid mineral oils and other liquid and gaseous mediums which corrosion rate of the body materials not more than 0,2 mm per a year
Temperature of working medium Т, °С	с				From -40 to + 425
	лс				From - 60 to + 425
	нж				From - 60 to + 560
Ambient temperature, ºС	Climatic type according to GOST15150				с			У1				From - 40 to + 40
					лс			ХЛ1				From - 60 to + 40
					нж			УХЛ1				From - 60 to + 40
The flow direction	bidirectional
Connecting dimensions and dimensions of sealing surfaces of flanges	PN16				type В variety 1 according to GOST Р 54432 or by agreement with the Customer

The main overall and mounting dimensions

standard version

Gate valves 30s41nzh (30с41нж). Dimensions. Image 1

Gate valves 30s41nzh (30с41нж). Dimensions. Image 2

Marking	DN	D	D1	D2		L	n	d	Н		Н1		Operation type		Weight, kg
Marking	DN	D	D1	Pic.1	Pic.2	L	n	d	Pic.1	Pic.2	Pic.1	Pic.2	handwheel	Gearbox/Actuator	Pic.1	Pic.2
30с41нж 30лс41нж 30нж41нж 30с541нж 30лс541нж 30лс941нж 30с941нж 30лс941нж 30нж941нж	50	160	125	180	-	180	4	18	285	270	340	330	handwheel	-	15	-
	80	195	160	215	-	210	8		337	337	419	420			24	-
	100	215	180	245	-	230			383	390	486	495			34	-
	150	280	240	275	-	280		22	522	569	665	722			67	-
	200	335	295	300	-	330	12	22	647	700	836	910		-	108	-
	250	405	355	400	-	450		26	815	-	1090	-			155	-
	300	460	410	450	-	500			886	-	1138	-			195	-
	350	520	470	500	-	550	16			1280		1755		В	255	320
	400	580	535	560	-	600	16	30	1241	1450	1604	1902			398	458
	500	710	650	-	600	700	20	33	-	1662	-	2285	-		-	796
	600	840	770	-	600	800	20	36	-	1810	-	2430		Г	-	1460
	800	1020	950	-	600	1000	24	39	-	2800	-	3250		Г	-	2100
	1000	1255	1170	-	600	1200	28	42	-	3365	-	3873		Д	-	4000

lightweight version

Marking	DN	D	D1	D2	L	n	d	Н	Н1	Operation type	Weight, kg
30с41нж	50	160	125	180	180	4	18	285	340	handwheel	13
	80	195	160	215	210	8		320	400		19
	100	215	180	245	230			383	470		26
	150	280	240	275	280		22	522	665		49
	200	335	295	300	330	12	22	625	817		75
	250	405	355	400	450		26	830	1060		118
	300	460	410	450	500		26	917	1192		160