Control ball valves
1 /6Pages

Control ball valves

Control ball valves
1 /6Pages

Catalog excerpts

Control ball valves-1

KNR, KNAR, KNRP, KNARP ISO/DIN, ASME/ANSI W Lining PFA, optionally PFA-L, PFA-HP kvs 0.1-400 Maintenance-free ENVIPACK stem sealing (fitjRICHTER Process Pumps &. Valves FLUID & METERING

 Open the catalog to page 1
Control ball valves-2

Heavy-duty ball control valves with ENVIPACK stem seal With the series KNR, KNRP (ISO/DIN) and KNAR, KNARP (ASME/ANSI), compact control valves with high flow control accuracy are available to plant operators. In many applications they are a very economical alternative to bellows-type sliding stem valves and rotary plug valves. The ENVIPACK stem sealing, valve body and seat rings are i dentical to those of the shut-off ball valves KN and KNA, as are the selection of material and the pressure/temperature range. Advantages: minimum stocks of spare parts, subsequent conversion from a shut-off to...

 Open the catalog to page 2
Control ball valves-3

Particularly low-cavity f Transmission of torque free of play with sleeve nut (6a) and setscrew (6b) g niversal ISO 5211 U connection h External corrosion protection Epoxy coating. Packing gland, lever, bolts/nuts made of stainless steel. Pressure/temperature range Temperature (°F) Vacuum (mbar) V-control ball • PFA-lined • igh quality control h performance • free of play Gauge pressure (psig) KNAR, KNARP Vacuum (psia) Body EN-JS 1049 (0.7043)/PFA: -60 °C (-75 °F) to +200 °C (400 °F); max. 16 bar (235 psi) as per AD 2000 Body ASTM A395/PFA: -30 °C (-20 °F) to +200 °C (400 °F); max. 17.2 bar (250...

 Open the catalog to page 3
Control ball valves-4

KNR, KNAR, KNRP, KNARP Components and materials Item DN 150 (6“) and 200 (8“) manual actuation: At Ap > approx. 2 bar (29 psi) *** Dimension HL not shown: length hand lever from centre of ball/stem unit a worm gear is recommended instead of the hand lever. Details on request. (part 201) On request: drilled to JIS 10K, ISO 7005-2 **** Dimension H not shown: height from centre

 Open the catalog to page 4
Control ball valves-5

KNR, KNAR, KNRP, KNARP All operating torques: test medium water 20 °C, seat rings pure PTFE. The operating and breakaway torques may differ depending on the medium (dry gases, crystallising media, oil contents etc.).

 Open the catalog to page 5
Control ball valves-6

KNR, KNAR, KNRP, KNARP Richter’s speciality: customised problem solutions Ask Richter when you are looking for a solution to your problem! In addition to the selection of common special designs presented here, we also offer many other specialities. Stainless steel body with PFA lining ASME/ANSI face-to-face 1“-2“ Standard with the manual actuation version: lockable stainless steel hand lever Linings antistatic, FDA-compliant PFA-lined sliding stem control valves • kv 0.05-155 • ellows sealed b • ingle-piece valve body s • 60 to +200 °C (-75 to +400 °F) • ee separate publications s RSS (remote...

 Open the catalog to page 6
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.